Inspection jig and circuit board inspection apparatus including the same

A circuit board inspection apparatus includes an inspection processing portion that inspects an electric circuit of a board to be inspected, an inspection jig, and a position detector used to position the inspection processing portion relative to the board to be inspected. The inspection jig includes a probe unit having a probe, a first board, a second board located in parallel with the first board in a thickness direction of the first board, an electrical connection portion that electrically connects the first board and the second board, and a second board holding portion that holds the second board from the first board and holds the probe unit on a side opposite to the first board side. The second board holding portion has a position detection opening penetrating in the thickness direction, at a position overlapping the position detector as viewed from the thickness direction of the second board holding portion.

CROSS-REFERENCE TO RELATED APPLICATIONS

This is a U.S. national Stage application, filed under 35 U.S.C. § 371, of International Application No. PCT/JP2021/006521, filed on Feb. 22, 2021, and claims priority under 35 U.S.C. § 119(a) and 35 U.S.C. § 365(b) from Japanese Patent Application No. 2020-044782, filed on Mar. 13, 2020, the disclosures of which are incorporated herein by reference.

FIELD

Various embodiments of the present disclosure relate to an inspection jig and a circuit board inspection apparatus including the same.

BACKGROUND

In an inspection apparatus for inspecting electrical characteristics of a wafer using a probe, an inspection apparatus including a camera for adjusting positions of the probe and the semiconductor wafer is known. Conventionally, as the inspection apparatus, a wafer test system including a probe card having a probe, a wafer chuck that holds a wafer, and a wafer alignment camera used for position adjustment of the probe and the wafer is known. The wafer alignment camera captures an image of a wafer from above and detects a position of an electrode of a chip formed on a surface of the wafer.

The wafer test system first positions the wafer under the wafer alignment camera in order to detect the position of the electrode of the chip on the wafer. Thereafter, the wafer test system inspects the wafer by moving the wafer chuck to a position where the electrode of the chip of the wafer comes in contact with the probe. When the inspection of the wafer is completed, the same operation is performed on the wafer to be inspected next.

From the viewpoint of productivity, there is a demand for minimizing the time required for inspection in the circuit board inspection apparatus. In the circuit board inspection apparatus, an inspection position of an inspection target is confirmed by a camera (position detector), and then the inspection target is positioned on a probe. In such a case, there is a problem that the inspection takes time.

SUMMARY

An exemplary inspection jig according to an embodiment of the present disclosure is an inspection jig attached to a circuit board inspection apparatus including an inspection processing portion that inspects an electric circuit of a circuit board and a position detector used when the inspection processing portion is positioned with respect to the circuit board. The inspection jig includes a probe unit having a probe that comes into contact with the circuit board, a first board on which a signal is detected by the inspection processing portion, a second board that is located in parallel with the first board in a thickness direction of the first board and is electrically connected to the probe, an electrical connection portion that electrically connects the first board and the second board, and a second board holding portion that holds the second board from the first board and holds the probe unit on a side opposite to the first board side, in a state where the electrical connection portion is sandwiched between the first board and the second board. The second board holding portion has a position detection opening penetrating the second board holding portion in the thickness direction, at a position overlapping the position detector as viewed from the thickness direction of the second board holding portion.

An exemplary circuit board inspection apparatus according to an embodiment of the present disclosure includes: an inspection processing portion configured to inspect an electric circuit of a circuit board; a position detector that is used to position the inspection processing portion with respect to the circuit board; and the inspection jig.

The above and other elements, features, steps, characteristics and advantages of the present disclosure will become more apparent from the following detailed description of the embodiments with reference to the attached drawings.

DETAILED DESCRIPTION

Embodiments of the present disclosure will be described below in detail with reference to the drawings. The same or corresponding parts in the drawings are denoted by the same reference numerals, and the description thereof will not be repeated. The constituent members in the drawings are not limited to have the dimensions and the dimensional ratios illustrated in the drawings.

In the following description, the expression “fix”, “connect”, “attach”, or the like (hereinafter, fix or the like) is used not only when members are directly fixed or the like to each other, but also when members are fixed or the like to each other with another member interposed therebetween. That is, in the following description, the expression “fix or the like” includes the meaning of direct and indirect fixation or the like of members.

FIG.1is a perspective view illustrating a schematic configuration of a circuit board inspection apparatus1according to an embodiment.FIGS.2and3are cross-sectional views of the circuit board inspection apparatus1. The circuit board inspection apparatus1inspects an electric circuit of a board W to be inspected. The board W to be inspected is a circuit board made of resin. The circuit board inspection apparatus1is a circuit board inspection apparatus.

As illustrated inFIG.1, the circuit board inspection apparatus1includes a flat plate2, an inspection processing portion3, an inspection jig4, an inspection board mounting table5, a position detector6, and a controller7. In the present embodiment, as an example, a case where the number of inspection processing portions3is six will be described. However, the number of inspection processing portions may be less than six or more than six.

The flat plate2is a member that supports the inspection processing portion3and the inspection jig4. As illustrated inFIGS.1to3, the flat plate2has a plate shape. The flat plate2has a rectangular opening2apenetrating in the thickness direction. In the present embodiment, the number of openings2ais six, which is the same as the number of the inspection processing portions3. The six openings2aare arranged in two rows three by three. The flat plate2supports the inspection processing portion3on one side in the thickness direction by housing a part of the inspection processing portion3in the opening2a. The flat plate2supports the inspection jig4on the other side in the thickness direction.

Hereinafter, for the sake of description, the thickness direction of the flat plate2is referred to as an “X direction”, the column direction of the opening2ais referred to as a “Y direction”, and the direction in which the three openings2aare arranged is referred to as a “Z direction”.

The flat plate2has a U-shaped notch2bextending in the Z direction from one side end extending in the Y direction. The notch2bis located at the same position as a position detection opening54of a second board holding portion50described later in the flat plate2as viewed from the X direction. At least a part of the position detector6is accommodated in the notch2b.

The inspection processing portion3inputs a signal to the electric circuit of the board W to be inspected according to a command signal of the controller7, detects an output signal of the board W to be inspected, and outputs the output signal to the controller7. A part of each of the six inspection processing portions3is supported by the flat plate2in a state of being accommodated in each opening2a. As a result, the inspection processing portions3are arranged in three rows in the Z direction and two rows in the Y direction on one side of the flat plate2.

The inspection processing portion3has a terminal portion including a plurality of terminals on the end face on the side accommodated in the opening2a. The inspection processing portion3is electrically connected to a first board10of the inspection jig4via the terminal portion.

The inspection jig4is attached to the flat plate2on the side opposite to the inspection processing portion3side. The inspection jig4is electrically connected to the inspection processing portion3. In addition, the inspection jig4has a probe71on the side opposite to the inspection processing portion3side. The tip of the probe71comes into contact with a terminal of an electric circuit included in the board W to be inspected. The board W to be inspected is electrically inspected in a state where the tip of the probe71is in contact with the terminal of the electric circuit. Details of the inspection jig4will be described later.

The inspection board mounting table5mounts the board W to be inspected. The inspection board mounting table5moves in a direction approaching the inspection jig4and a direction separating from the inspection jig4in a state where the board W to be inspected is fixed on the inspection board mounting table5. The inspection jig4may move with respect to the inspection board mounting table5.

In the present embodiment, the inspection board mounting table5moves in the X direction, the Y direction, and the Z direction. Further, the inspection board mounting table5rotates by 360 degrees about the X axis. As a result, the board W to be inspected placed on the inspection board mounting table5is positioned at a position where the board W comes into contact with the tip of the probe71of the inspection jig4. The inspection board mounting table5moves based on a command from the controller7.

The position detector6is used to position the inspection jig4with respect to the board W to be inspected. The position detector6acquires an inspection position of the board W to be inspected while the board W to be inspected placed on the inspection board mounting table5is positioned at a position facing the position detector6. The position detector6outputs the acquired information to the controller7. The position detector6is fixed to the flat plate2by a fixing member (not illustrated). The position detector6is, for example, a camera.

The controller7controls the operation of the inspection processing portion3. The controller7outputs a command signal to the inspection processing portion3to inspect the board W to be inspected. In addition, the controller7determines a defect or the like in the electric circuit of the board W to be inspected based on the signal received from the board W to be inspected by the inspection processing portion3.

The controller7controls the operation of the inspection board mounting table5based on the information received from the position detector6. Specifically, the controller7calculates a relative distance between the board W to be inspected and the probe71, and outputs a command based on the calculation result to the inspection board mounting table5. The inspection board mounting table5moves to a position where the terminal of the board W to be inspected placed on the inspection board mounting table5and the tip of the probe71come into contact with each other based on a command from the controller7.

Next, the inspection jig4will be described in detail with reference toFIGS.1to5. The inspection jig4includes a first board unit8having a first board10, a second board unit9having a second board40, and an electrical connection portion80electrically connecting the first board10and the second board40. The first board10and the second board40face each other, and are located in parallel, in the thickness direction, in the order of the first board10and the second board40from the side close to the flat plate2.FIGS.4and5are perspective views illustrating the second board unit9separated from the inspection jig4.

As illustrated inFIGS.2,4, and5, the first board unit8includes the first board10and a first board accommodating portion20. In the present embodiment, the inspection jig4includes two first board units8. Each of the two first board units8is attached at a position that covers the three aligned openings2aof the flat plate2and at a position that does not cover the notch2bof the flat plate2. That is, each of the first board units8faces the end face of the inspection processing portion3accommodated in the opening2a. The constituent members of the two first board units8are located symmetrically in the Y direction about the center line of the flat plate2in the Y direction in a state where the first board unit8is attached to the flat plate2. Since the two first board units8have the same configuration, the configuration of one first board unit8will be described below.

The first board10is a rectangular resin circuit board extending in the Y direction and the Z direction. An electric circuit is formed on the first board10. As illustrated inFIG.2, the first board10has a body-side terminal portion11constituting a terminal on one side of the electric circuit on a surface on the flat plate2side. In addition, the first board10has a second board-side terminal portion12constituting a terminal on the other side of the electric circuit on a surface on the second board40side. The first board10has three body-side terminal portions11on the surface on the flat plate2side and three second board-side terminal portions12on the surface on the second board40side.

The body-side terminal portion11is in contact with the terminal portion of each inspection processing portion3. As a result, the signal of the electric circuit transmitted to the first board10is transmitted to the inspection processing portion3. The three second board-side terminal portions12are electrically connected to the second board40via the electrical connection portion80described later.

The first board accommodating portion20has a plate shape extending in the Y direction and the Z direction. The first board accommodating portion20is made of a metal material having high rigidity. The metal material is, for example, a metal having aluminum. As illustrated inFIGS.2and4, the first board accommodating portion20has a recess20aon the flat plate2side. The first board10is accommodated in the recess20a.

As illustrated inFIGS.2and5, the first board accommodating portion20has three rectangular openings20bpenetrating in the thickness direction on the bottom surface of the recess20a. The three openings20bare located at positions corresponding to the three second board-side terminal portions12in the first board accommodating portion20. That is, the second board-side terminal portion12is exposed from the first board accommodating portion20by the three openings20b.

As described above, in the present embodiment, the inspection jig4includes the two first board units8. Therefore, the inspection jig4includes six body-side terminal portions11, six second board-side terminal portions12, and six openings20b. That is, the openings20bare arranged by three in the Z direction and in two rows in the Y direction.

Each of the two first board accommodating portions20is attached to the flat plate2in a state where the first board10is accommodated in the recess20a.

As illustrated inFIG.2, the second board unit9includes a second board40, a second board holding portion50, a connecting conductive wire60, and a probe unit70. The second board unit9is attached at a position covering the six openings20bof the first board unit8. The second board unit9is detachably fixed to the flat plate2by a fixing member (not illustrated).

The second board40is a rectangular resin circuit board extending in the Y direction and the Z direction. The second board40has a probe connection hole40apenetrating in the thickness direction at the center. The second board40has a U-shaped notch40bextending in the Z direction from one side end extending in the Y direction. In the second board40, the notch40bis located at a position corresponding to the position detection opening54of the second board holding portion50described later.

As illustrated inFIGS.2and4, an electric circuit is formed on the second board40. The second board40has a first board-side terminal portion41constituting a terminal on one side of the electric circuit on a surface on the first board10side. In addition, the second board40has a probe connection terminal portion42constituting a terminal on the other side of the electric circuit on a surface on the first board10side. The second board40has six first board-side terminal portions41and six probe connection terminal portions42on the surface on the first board10side.

The six probe connection terminal portions42are located side by side at equal intervals in the circumferential direction around the probe connection hole40aas viewed from the X direction.

The six first board-side terminal portions41are located at positions facing the six second board-side terminal portions12of the first board10, respectively. That is, the six first board-side terminal portions41are located on the outer peripheral side of the second board40as viewed from the X direction.

The second board holding portion50holds the second board40in a state where second board40is arranged in parallel with the first board10in the X direction. Specifically, the second board holding portion50includes a body-side holding plate51that holds the second board40from the first board10side and a probe-side holding plate52that holds the second board40from the probe71side. The body-side holding plate51is a second holding plate. The probe-side holding plate52is a first holding plate.

The second board holding portion50has the position detection opening54capable of accommodating at least a part of the position detector6. Details of the position detection opening54will be described later.

The body-side holding plate51has a plate shape extending in the Y direction and the Z direction. The size of the body-side holding plate51in the Y direction and the Z direction is the same as the size of the second board40in the Y direction and the Z direction. The body-side holding plate51is made of a metal material having high rigidity. The metal material is, for example, a metal having aluminum. The body-side holding plate51is located on the first board side of the second board40.

As illustrated inFIGS.2and4, the body-side holding plate51has six rectangular openings51apenetrating in the thickness direction. The six openings51aare located at positions corresponding to the first board-side terminal portions41in the body-side holding plate51. That is, the first board-side terminal portion41is exposed from the body-side holding plate51by the six openings51a.

As illustrated inFIG.4, the body-side holding plate51has a probe connection hole51bhaving a hexagonal shape as viewed from the X direction penetrating in the thickness direction at the center. The probe connection hole51bis located at a position corresponding to the probe connection terminal portion42of the second board40in the body-side holding plate51. That is, the probe connection terminal portion42is exposed from the body-side holding plate51by the probe connection hole51b.

The body-side holding plate51has a U-shaped notch54aextending in the Z direction from one side end extending in the Y direction. The notch54ais a part of the position detection opening54.

The probe-side holding plate52has a plate shape extending in the Y direction and the Z direction. The size of the probe-side holding plate52in the Y direction and the Z direction is the same as the size of the body-side holding plate51in the Y direction and the Z direction. The thickness of the probe-side holding plate52is smaller than the thickness of the body-side holding plate51. The probe-side holding plate52is made of a metal material having high rigidity. The metal material is, for example, a metal having aluminum. The probe-side holding plate52is located on the probe71side of the second board40.

As illustrated inFIG.2, the probe-side holding plate52has a probe connection hole52apenetrating in the thickness direction at the center. The probe connection hole52aof the probe-side holding plate52and the probe connection hole40aof the second board40are located at the same position as viewed from the X direction.

The probe-side holding plate52has a U-shaped notch54bextending in the Z direction from one side end extending in the Y direction. The notch54bis a part of the position detection opening54.

The body-side holding plate51and the probe-side holding plate52are connected to each other by a fixing member (not illustrated) in a state where the second board40is sandwiched therebetween. In this manner, by sandwiching the second board40from both sides in the thickness direction, deformation of the second board40in the thickness direction can be suppressed.

As illustrated inFIG.2, the connecting conductive wire60electrically connects the second board40and the probe71to be described later. One end portion of the connecting conductive wire60is connected to the probe connection terminal portion42of the second board40. The other end of the connecting conductive wire60is connected to the probe71through the probe connection hole40aof the second board40and the probe connection hole52aof the probe-side holding plate52.

The probe unit70is attached to the probe-side holding plate52on the side opposite to the second board40side. The probe unit70includes a probe71and a probe support72.

The probe71extends in the X direction. The probe71detects a signal of an electric circuit of the board W to be inspected by the tip coming into contact with the terminal of the board W to be inspected.

One end of the connecting conductive wire60is electrically connected to an end of the probe71on the second board40side. The other end of the connecting conductive wire60is electrically connected to the second board40. As a result, the signal of the electric circuit of the board W to be inspected detected by the probe71is transmitted to the second board40via the connecting conductive wire60.

The probe support72supports the probe71with respect to the second board holding portion50. The probe support72is fixed to the probe-side holding plate52by a fixing member (not illustrated). The fixing member is, for example, a screw, a bolt, or the like. Thus, the probe unit70is held by the second board holding portion50.

As illustrated inFIG.2, the electrical connection portion80is located between the first board10and the second board40. In the present embodiment, the inspection jig4has six electrical connection portions80. The first board10side of each electrical connection portion80is accommodated in the opening20bof the first board accommodating portion20, and is fixed to the first board accommodating portion20by a fixing member (not illustrated). The second board40side of each electrical connection portion80is accommodated in the opening51aof the body-side holding plate51.

The electrical connection portion80has a first connection portion81on the first board10side. The first connection portion81includes a plurality of contact terminals that are in contact with the second board-side terminal portion12of the first board10. The electrical connection portion80has a second connection portion82on the second board40side. The second connection portion82includes a plurality of contact terminals that are in contact with the first board-side terminal portion41of the second board40. At least a part of the first connection portion81and the second connection portion82can expand and contract in the X direction by the elastic force of the elastic member.

In the present embodiment, the electrical connection portion80is constituted by a pogo pin. That is, the first connection portion81is pressed against the second board-side terminal portion12of the first board10, and the second connection portion82is pressed against the first board-side terminal portion41of the second board40. As a result, the first board10and the second board40are electrically connected via the electrical connection portion80.

At this time, since the second board40receives the reaction force of the electrical connection portion80, the second board is easily deformed to the side opposite to the first board10side. However, the second board40is held by the probe-side holding plate52held from the side opposite to the first board10side. That is, in the present embodiment, the second board holding portion50includes the plate-like probe-side holding plate52that holds the second board40from the side opposite to the first board10side in the thickness direction of the second board40. As a result, the second board40is prevented from being deformed in the thickness direction in a state where the electrical connection portion80is in electrical contact with the second board40.

With the inspection jig4having the above configuration, the board W to be inspected can be electrically inspected via the probe71, the connecting conductive wire60, the probe connection terminal portion42and the first board-side terminal portion41of the second board40, the electrical connection portion80, and the second board-side terminal portion12and the body-side terminal portion11of the first board10. In the second board40, the interval between the terminals in the first board-side terminal portion41can be made wider than the interval between the terminals in the probe connection terminal portion42. In the first board10, the interval between the terminals in the body-side terminal portions11can be made wider than the interval between the terminals in the second board-side terminal portions12. As a result, even when the interval between the terminals of the board W to be inspected is very narrow, the inspection jig4can set the interval between the terminals of the body-side terminal portions11to an interval at which the signal can be detected by the inspection processing portion3.

Next, the position detection opening54will be described in detail with reference toFIGS.3,6A, and6B.FIG.6Ais a view illustrating a position of the board W to be inspected when the inspection position of the board W to be inspected is acquired.FIG.6Bis a view illustrating a position of the board W to be inspected when the board W to be inspected is inspected. As described above, the position detection opening54is a notch of the second board holding portion50. The position detection opening54includes the notch54aof the body-side holding plate51and the notch54bof the probe-side holding plate52.

As illustrated inFIG.3, in the present embodiment, the flat plate2and the second board40also have the notch2band the notch40bat positions corresponding to the position detection opening54, respectively. The first board unit8is attached at a position not covering the notch2bof the flat plate2. Thus, the circuit board inspection apparatus1includes the position detection opening54that extends from one side to the other side in the X direction and is capable of accommodating at least a part of the position detector6. As a result, the circuit board inspection apparatus1can accommodate the position detector6at a position closer to the probe unit70than the outer periphery. The flat plate2and the second board40may not have the notch as long as they do not interfere with the position detector6.

As illustrated inFIG.6A, the circuit board inspection apparatus1positions the board W to be inspected at a position facing the position detector6when acquiring the inspection position of the board W to be inspected. As illustrated inFIG.6B, when the circuit board inspection apparatus1inspects the board W to be inspected, the circuit board inspection apparatus1positions a terminal of an electric circuit of the board W to be inspected at a position where the terminal comes into contact with the probe71of the probe unit70. That is, the board W to be inspected moves from a position facing the position detector6to a position where the board W comes into contact with the tip of the probe71. Therefore, the shorter the distance between the position detector6and the probe unit70, the shorter the time required for the board W to be inspected to move.

In the circuit board inspection apparatus1, the second board holding portion50that supports the probe unit70has the position detection opening54that is recessed from the outer periphery thereof toward the probe unit70as viewed from the X direction. At least a part of the position detector6is accommodated in the position detection opening54. That is, in the circuit board inspection apparatus1, the position detection opening54allows the position detector6to be positioned near the probe71without interfering with the second board holding portion50. Therefore, in the circuit board inspection apparatus1, the distance between the position detector6and the probe71can be shortened by the position detection opening54. As a result, after the position detector6confirms the inspection position of the board W to be inspected, the distance by which the probe71relatively moves to the inspection position can be shortened. Therefore, the inspection time of the board W to be inspected can be shortened. In addition, since the relative movement distance of the probe71becomes short, the movement error becomes small. Therefore, the probe71can be accurately positioned at the inspection position.

In the present embodiment, the position detection opening54is a notch extending from one side end of the second board holding portion50toward the probe unit70when the second board40is viewed from the X direction. The X direction is a normal direction of a surface on one side of the second board. That is, the position detection opening54is a notch extending from the outer periphery of the second board holding portion50toward the probe unit70when the second board40is viewed from the normal direction of one surface thereof.

As a result, when the type of the electric circuit of the board W to be inspected to be inspected is different, the second board40can be easily replaced. That is, since the position detector6is positioned in the notch of the second board holding portion50that holds the second board40, the second board40and the second board holding portion50can be replaced without detaching the position detector6from the circuit board inspection apparatus1. Moreover, since the notch extends from the outer periphery of the second board holding portion50toward the probe unit70, the position detector6can be positioned at a position closer to the probe71. Therefore, the movement distance with respect to the inspection jig4when inspecting the board W to be inspected can be further shortened. Therefore, the inspection time of the board W to be inspected can be further shortened.

As described above, in order to prevent the second board40from being deformed by receiving the reaction force of the electrical connection portion80, the second board40is held by the probe-side holding plate52located on the side opposite to the electrical connection portion80. In the configuration in which the probe-side holding plate52has the notch54b, there is a possibility that the rigidity of the probe-side holding plate52for suppressing the deformation of the second board40decreases.

However, in the present embodiment, the second board holding portion50has the body-side holding plate51which is located on the side opposite to the probe-side holding plate52with respect to the second board40in the thickness direction of the second board40and sandwiches the second board40together with the probe-side holding plate52. Accordingly, rigidity of the second board holding portion50can be improved. Therefore, even when the second board holding portion50has the notch, the rigidity of the second board holding portion50can be secured. Therefore, with the above-described configuration, it is possible to provide the inspection jig4capable of shortening the inspection time while suppressing the deformation of the second board40.

The inspection jig4according to the present embodiment is the inspection jig4attached to the circuit board inspection apparatus1including the inspection processing portion3that inspects an electric circuit of a circuit board and the position detector6used when the inspection processing portion3is positioned with respect to the circuit board. The inspection jig4includes the probe unit70having the probe71that comes into contact with the circuit board, the first board10on which a signal is detected by the inspection processing portion3, the second board40that is located in parallel with the first board10in a thickness direction of the first board10and is electrically connected to the probe71, the electrical connection portion80that electrically connects the first board10and the second board40, and the second board holding portion50that holds the second board40from the first board10and holds the probe unit70on a side opposite to the first board10side, in a state where the electrical connection portion80is sandwiched between the first board10and the second board40. The second board holding portion50has the position detection opening54penetrating the second board holding portion50in the thickness direction, at a position overlapping the position detector6as viewed from the thickness direction of the second board holding portion50.

Thus, the position detector6can be prevented from interfering with the second board holding portion50. With the above configuration, after the position detector6confirms the inspection position of the circuit board, the distance by which the probe71relatively moves to the inspection position can be shortened. Therefore, the inspection time of the circuit board can be shortened.

In addition, the circuit board inspection apparatus1according to the present embodiment includes the position detector6used for positioning the inspection processing portion3with respect to the board W to be inspected, and the inspection jig4.

Accordingly, it is possible to provide the circuit board inspection apparatus1capable of shortening the inspection time.

While an embodiment of the present disclosure has been described above, the above embodiment is merely an example. Accordingly, the present disclosure is not limited to the embodiment described above, and the embodiment described above may be appropriately modified and implemented without departing from the scope of the present disclosure.

In the above embodiment, the position detection opening54of the inspection jig4is a notch extending inward from the outer periphery of the second board holding portion50as viewed in the thickness direction. However, as illustrated inFIG.7, a position detection opening154of an inspection jig104may be a through hole penetrating a body-side holding plate151and a probe-side holding plate152of a second board holding portion150in the thickness direction thereof. As a result, the position detection opening154can accommodate at least a part of the position detector6in the through hole.

In the above embodiment, the position detection opening54is a U-shaped notch as viewed from the X direction. However, the position detection opening may have any shape as long as it can accommodate at least a part of the position detector and the notch extends toward the probe unit.

In the above embodiment, the second board holding portions50and150of the circuit board inspection apparatus1have the position detection openings54and154that accommodate at least a part of the position detector6. However, a second board holding portion250of a circuit board inspection apparatus101may have a position detection opening254that penetrates the second board holding portion250in the thickness direction but does not accommodate the position detector. For example, as illustrated inFIG.8, in the circuit board inspection apparatus101, a position detector206is located on the side opposite to the side of the board W to be inspected, with the position detection opening254interposed therebetween, with respect to the second board holding portion250. The position detector206can acquire the inspection position of the board W to be inspected by the position detection opening254without interfering with the second board holding portion250. Accordingly, it is possible to provide the circuit board inspection apparatus1capable of shortening the inspection time. Further, the position detection opening154may be a notch or a through hole.

In the above embodiment, the case where the circuit board inspection apparatus1includes six inspection processing portions3has been described as an example. Therefore, the flat plate2has six openings2a, the two first board accommodating portions20together have six openings20b, and the body-side holding plate51has six openings51a. However, as long as electrical connection corresponding to the number of inspection processing portions can be configured, the number of openings of each member may be any number.

In the above embodiment, the case where the circuit board inspection apparatus1includes six inspection processing portions3has been described as an example. Therefore, the two first boards10together have six body-side terminal portions11and six second board-side terminal portions12, and the second board40has six first board-side terminal portions41and six probe connection terminal portions42. The circuit board inspection apparatus1has six electrical connection portions80. However, as long as electrical connection can be made according to the number of inspection processing portions, the number of terminal portions of each member may be any number. In addition, the number of electrical connection portions may be any number.

In the above embodiment, the circuit board inspection apparatus1includes two first board units8. However, the number of first board units may be other than two.

In the above embodiment, the two first board units8are located at positions not interfering with the position detection opening54. Therefore, the first board unit8does not have a notch that accommodates the position detection opening54. However, the first board unit may be located at a position interfering with the position detection opening. In this case, the first board unit only needs to have a notch at a position corresponding to the position detection opening.

In the above embodiment, the electrical connection portion80is attached to the first board unit8. However, the electrical connection portion may be sandwiched and held between the second board and the first board.

In the above embodiment, the electrical connection portion80includes the first connection portion81and the second connection portion82at least a part of which is stretchable in the X direction by the elastic force of the elastic member. However, the electrical connection portion may have a first connection portion and a second connection portion that do not expand and contract in the X direction.

In the above embodiment, the second board holding portion50that holds the second board40includes the body-side holding plate51and the probe-side holding plate52. However, the second board holding portion may include either one of the body-side holding plate and the probe-side holding plate.

In the above embodiment, the openings2a,10a, and51ahave rectangular shapes as viewed from the X direction. However, the opening may have any shape as long as the shape does not hinder electrical connection between the terminal portion of the member accommodated in the opening and the terminal portion of the member exposed by the opening.

In the above embodiment, the probe connection hole51bhas a hexagonal shape as viewed from the X direction. However, the probe connection hole may have other shapes.

The present disclosure is applicable to a circuit board inspection apparatus that positions an inspection target on an inspection jig after confirming the inspection target with a camera.

Features of the above-described embodiments and the modifications thereof may be combined appropriately as long as no conflict arises.