Conductive lid and semiconductor device package

A conductive lid includes a body including a first portion extended from the body and bent toward a first direction; a second portion extended from the body and bent toward the first direction; and a third portion extended from the second portion and bent toward a second direction different from the first direction.

BACKGROUND

1. Field of the Disclosure

The present disclosure relates to a semiconductor device package. More particularly, the present disclosure relates to a semiconductor device package with a conductive lid.

2. Description of the Related Art

A semiconductor device package may include a semiconductor device on a carrier/substrate. A heat sink/spreader is used to dissipate heat from the semiconductor device package. The heat sink/spreader may be in thermal contact with the semiconductor device and or the substrate for heat dissipation. However, bonding between the heat sink/spreader and the semiconductor device may be vulnerable. Moreover, the heat generated by the semiconductor device package may not be timely dissipated, which may damage the semiconductor device package.

SUMMARY

In some embodiments, a conductive lid comprises a body. The body comprises a first portion, a second portion, and a third portion. The first portion is extended from the body and bent toward a first direction. The second portion is extended from the body and bent toward the first direction. The third portion is extended from the second portion and bent toward a second direction different from the first direction.

In some embodiments, a semiconductor device package comprises a semiconductor component, a substrate, and a conductive lid. The semiconductor component is disposed over the substrate. The conductive lid is disposed over the semiconductor component and comprises a body. The body comprises a first portion extended from the body and bent toward a first direction, a second portion extended from the body and bent toward the first direction, and a third portion extended from the second portion and bent toward a second direction different from the first direction.

In some embodiments, a semiconductor device package comprises a semiconductor component, a first substrate, a second substrate and a conductive lid. The semiconductor component is disposed over the first substrate. The first substrate is disposed over the second substrate. The conductive lid comprises a body. The body comprises a first portion extended from the body and bent toward a first direction, a second portion extended from the body and bent toward the first direction, and a third portion extended from the second portion and bent toward a second direction different from the first direction. The first portion is connected to the first substrate, and the third portion is connected to the second substrate.

Other aspects and embodiments of the present disclosure are also contemplated. The foregoing summary and the following detailed description are not meant to limit the present disclosure to any particular embodiment but are merely meant to describe some embodiments of the present disclosure.

DETAILED DESCRIPTION

FIG. 1Aillustrates a stereoscopic diagram of a conductive lid1according to some embodiments of the present disclosure.FIG. 1Billustrates a cross-sectional view of the conductive lid1ofFIG. 1Ataken along line x-x′.FIG. 1Cillustrates a cross-sectional view of the conductive lid1ofFIG. 1Ataken along line y-y′. As shown inFIG. 1A, the conductive lid1comprises a body10. The body10comprises portions121,122,123and124. The portions121and122are extended from the body10and bent toward a clockwise direction. The portions123and124are extended from the body10and bent toward the counterclockwise direction. As shown inFIGS. 1A and 1B, the portions121,122,123and124are bent toward the bottom surface of the body10. In some embodiment of the present disclosure, the portions121,122,123and124form a first type of heat dissipation contact portions. The body10further comprises portions141,142,143and144. The portion141is extended from the body10and bent toward the clockwise direction. The portion142is extended from the second portion141and bent toward a counterclockwise direction. The portion143is extended from the body10and bent toward the counterclockwise direction. The portion144is extended from the portion143and bent toward the clockwise direction. As shown inFIGS. 1A and 1C, the portions141and142form a stepped shape and the portions143and144also form a stepped shape. In some embodiments of the present disclosure, the bottom surface of portions142and144can be connected to external contacts so as to form a second type of heat dissipation contact portions. In some embodiments, the thermal conductivity of the portions141,142,143and144is greater than the thermal conductivity of the portions121,122,123and124.

In this embodiment, the conductive lid1comprises four holes121o,122o,123oand124oused for accommodating locking accessories (such as push pins, screws, DIP pins, card hoods and so on). As shown inFIG. 1A, the holes121o,122o,123oand124oare disposed on the portions121,122,123and124, respectively. Please note that the number of holes on the conductive lid may be less than or more than four, which can be determined based on situational specifications and is not limited here. Referring toFIG. 1B, in this embodiment, the width W1of the hole1210on the upper part of the portion121is less than the width W2of the hole1210on the lower part of the portion121. Similarly, the width W1of the hole124oon the upper part of the portion124is less than the width W2of the hole124oon the lower part of the portion124. In this embodiment, the holes121o,122o,123oand124oare preferably used for accommodating push pins. In some embodiments, the width W1of each of the holes on the upper part of the portions121,122,123and124may be equal to the width W2of each of the holes on the lower part of the portions121,122,123and124. In some further embodiments, the width W1of each of the holes on the upper part of the portions121,122,123and124may be greater than the width W2of each of the holes on the lower part of the portions121,122,123and124. The widths W1and W2can be determined based on situational specifications and are not limited here.

FIGS. 2(a) to 2(e)illustrate one or more steps of a method of manufacturing the conductive lid1according to some embodiments of the present disclosure. Referring toFIG. 2(a), a body10having an upper surface101and a bottom surface102is provided, and then material release is performed on the body10by stamping. As shown inFIG. 2(a), the portions r1, r2, r3and r4are removed from the body10. The material of the body10of the conductive lid1can be, for example, copper, aluminum, aluminum alloy (such as aluminum alloy 1050, 1060, 6061, 5052, 7075 and so on), stainless steel or other metal materials. Referring toFIG. 2(b), further material release is performed on the body10by punching so as to form eight holes121o1,121o2,122o1,122o2,123o1,123o2,124o1and124o2on the body10. In this embodiment, the size of the holes121o1,122o1,123o1and124o1is smaller than that of the holes121o2,122o2,123o2and124o2. For example, the diameter of the holes121o1,122o1,123o1and124o1can be 3.5 mm and the diameter of holes121o2,122o2,123o2and124o2can be 4.5 mm. Referring toFIGS. 2(b) and 2(c), the portions121,122,123and124are formed by bending the portions b1, b2, b3and b4toward the bottom surface102of the body10such that the holes121o1,122o1,123o1and124o1are aligned with the holes121o2,122o2,123o2and124o2, respectively. Referring toFIGS. 2(c) and 2(d), the portion141is formed by bending the portion c1toward the clockwise direction, and the portion143is formed by bending the portion c2toward the counterclockwise direction. Referring toFIGS. 2(d) and 2(e), the portion142is formed by bending the portion d1toward the counterclockwise direction, and the portion144is formed by bending the portion d2toward the clockwise direction. As shown inFIG. 2(e), the entire conductive lid1is formed. In some embodiments, the conductive lid1can be made by modulus of continuity.

FIG. 3illustrates a stereoscopic diagram of a conductive lid3according to some embodiments of the present disclosure. The conductive lid3shown inFIG. 3is similar to the conductive lid1shown inFIG. 1. The difference between the conductive lid3shown inFIG. 3and the conductive lid1shown inFIG. 1is that the conductive lid3further includes holes142h1and142h2on the portion142and holes144h1and144h2on the portion144. The holes142h1,142h2,144h1and144h2can be used for accommodating locking accessories.

FIG. 4illustrates a stereoscopic diagram of a conductive lid4according to some embodiments of the present disclosure. The conductive lid4shown inFIG. 4is similar to the conductive lid1shown inFIG. 1. The differences between the conductive lid4shown inFIG. 4and the conductive lid1shown inFIG. 1are that the conductive lid4further comprises another two stepped portions41and42and that the conductive lid4further holders161,162,163and164which are bent substantially perpendicular to the body10. As shown inFIG. 4, the holders161,162,163and164further comprise card hook structures161c,162c,163cand164c, respectively.

FIG. 5illustrates a stereoscopic diagram of a conductive lid5according to some embodiments of the present disclosure. Specifically, the conductive lid5comprises portions521,522,523and524which form a first type of heat dissipation contact portions. The conductive lid5further comprises stepped portions525,526,527and528which form a second type of heat dissipation contact portions. As shown inFIG. 5, the first type of heat dissipation contact portions are arranged adjacent to the second type of heat dissipation contact portions. The first type of heat dissipation contact portions and the second type of heat dissipation contact portions are alternately arranged around four sides of the body of the conductive lid5. The conductive lid5further comprises four holes521o,522o,523oand524oon the portions521,522,523, and524, respectively. The holes521o,522o,523oand524oare used for accommodating locking accessories (such as push pins, screws, DIP pins, card hoods, and so on).

FIG. 6Aillustrates a stereoscopic diagram of a semiconductor device package6according to some embodiments of the present disclosure.FIG. 6Bis an exploded perspective view of the semiconductor device package6inFIG. 6A. Referring toFIGS. 6A and 6B, the semiconductor device package6comprises a semiconductor component60, a substrate62, and a conductive lid1. Please note that the conductive lid1inFIGS. 6A and 6Bis the same as the conductive lid1inFIG. 1, and thus details of the structure of the conductive lid1are not repeated here. The semiconductor component60can be, for example, a die. The semiconductor component60is disposed over the substrate62. The conductive lid1is disposed over the semiconductor component60and the substrate62. As shown inFIG. 6B, the semiconductor device package6further comprises a thermal interface material (TIM)66and adhesive tapes641,642,643and644. The TIM66is disposed between the conductive lid1and the semiconductor component60. The adhesive tape641has a hole and is disposed between the bottom surface of the portion121of the conductive lid1and the substrate62. The adhesive tape642has a hole and is disposed between the bottom surface of the portion122of the conductive lid1and the substrate62. The adhesive tape643has a hole and is disposed between the bottom surface of the portion123of the conductive lid1and the substrate62. The adhesive tape644has a hole and is disposed between the bottom surface of the portion124of the conductive lid1and the substrate62.

FIG. 7Aillustrates a stereoscopic diagram of a semiconductor device package7according to some embodiments of the present disclosure.FIG. 7Bis an exploded perspective view of the semiconductor device package7inFIG. 7A. Referring toFIGS. 7A and 7B, the semiconductor device package7comprises a semiconductor component60, a substrate62, and a conductive lid1. Please note that the conductive lid1inFIGS. 7A and 7Bis the same as the conductive lid1inFIG. 1, and thus details of the structure of the conductive lid1are not repeated here. The semiconductor component60can be, for example, a die. The semiconductor component60is disposed over the substrate62. The conductive lid1is disposed over the semiconductor component60and the substrate62. As shown inFIG. 7B, the semiconductor device package6comprises a TIM66and adhesive tapes641,642,643and644. The TIM66is disposed between the conductive lid1and the semiconductor component60. The adhesive tape641has a hole and is disposed between the bottom surface of the portion121of the conductive lid1and the substrate62. The adhesive tape642has a hole and is disposed between the bottom surface of the portion122of the conductive lid1and the substrate62. The adhesive tape643has a hole and is disposed between the bottom surface of the portion123of the conductive lid1and the substrate62. The adhesive tape644has a hole and is disposed between the bottom surface of the portion124of the conductive lid1and the substrate62. The heat generated by the semiconductor component60can be conducted to the substrate62via the portions121,122,123and124

The difference between the semiconductor device package7inFIGS. 7A and 7Band the semiconductor device package6inFIGS. 6A and 6Bis that the semiconductor device package7further comprises a substrate71, a heat spreader72, push pins731,732,733and734, springs735,736,737and738and adhesive tapes745and746. Specifically, the substrate71is disposed under the substrate62. In some embodiments, the substrate62can be, for example, a ball grid array (BGA) substrate, and the substrate71can be, for example, a printed circuit board (PCB). The adhesive tapes745and746are disposed between the bottom surface of the portions142and144of the conductive lid1and the substrate71such that the conductive lid1can be fixed to the substrate71. In this embodiment, the heat generated by the semiconductor component60can be simultaneously conducted to the substrate62and the substrate71. The heat spreader72is disposed on the conductive lid1. The heat spreader72further comprises holes721,722,723and724at four corners. In this embodiment, because the conductive lid1has holes121o,122o,123oand124oreserved, the heat spreader72can be fixed to the conductive lid1using the push pins731,732,733and734and the springs735,736,737and738.

FIG. 8Aillustrates a stereoscopic diagram of a semiconductor device package8according to some embodiments of the present disclosure.FIG. 8Bis an exploded perspective view of the semiconductor device package8inFIG. 8A. The semiconductor device package8inFIGS. 8A and 8Bis similar to the semiconductor device package7inFIGS. 7A and 7B. The differences between the semiconductor device package8and semiconductor device package7are that the locking accessories inFIGS. 8A and 8Bare screws831,832,833and834instead of push pins and springs and that the adhesive tapes841,842,843and844do not have a hole. In this embodiment, because the conductive lid1has holes121o1,122o1,123o1and124o1reserved, the heat spreader72can be fixed to the conductive lid1using the screws831,832,833and834.

FIG. 9Aillustrates a stereoscopic diagram of a semiconductor device package9according to some embodiments of the present disclosure.FIG. 9Bis an exploded perspective view of the semiconductor device package9inFIG. 9A. As shown inFIGS. 9A and 9B, the semiconductor device package9comprises a semiconductor component60, a substrate62, a substrate71, a conductive lid4and a heat spreader92. Please note that the conductive lid4inFIGS. 9A and 9Bis the same as the conductive lid4inFIG. 4, and thus details of the structure of the conductive lid4are not repeated here. In this embodiment, the semiconductor device package9comprises eight adhesive tapes841,842,843,844,845,846,847and848. The adhesive tapes841,842,843and844are disposed between the conductive lid4and the substrate62such that the conductive lid4can be fixed to the substrate62. The adhesive tapes845,846,847and848are disposed between the conductive lid4and the substrate71such that the conductive lid4can be fixed to the substrate71. In this embodiment, the heat spreader92can be fixed to the conductive lid4using the card hook structures161c,162c,163c,164cof the holders161,162,163and164of the conductive lid4.

FIG. 10Aillustrates a stereoscopic diagram of a semiconductor device package10′ according to some embodiments of the present disclosure.FIG. 10Bis an exploded perspective view of the semiconductor device package10′ inFIG. 10A. Referring toFIGS. 10A and 10B, the semiconductor device package10′ comprises a semiconductor component60, a substrate62, adhesive tapes641,642,643,644, a TIM66, a conductive lid3, a substrate71, a heat spreader72, push pins731,732,733and734, springs735,736,737and738and adhesive tapes745. In this embodiment, the semiconductor device package10′ further comprises DIP pins1001,1002,1003and1004and thermal greases1005and1006. Please note that the semiconductor device package10′ inFIGS. 10A and 10Bis similar to the semiconductor device package7inFIGS. 7A and 7B. The differences between the semiconductor device package10′ and the semiconductor device package7are that the conductive lid3of the semiconductor device package10′ further comprises holes142h1,142h2,144h1and144h2and that there are reserved holes h1, h2, h3and h4on the substrate71such that the conductive lid3can be fixed to the substrate71using DIP pins1001,1002,1003and1004. In some embodiments, the semiconductor device package10′ can further comprise two sheets of thermal grease1005and1006which are disposed between the conductive lid3and the substrate71to increase the contact area between the conductive lid3and the substrate71such that the heat dissipation effect is increased.

FIG. 11Aillustrates a stereoscopic diagram of a semiconductor device package11according to some embodiments of the present disclosure.FIG. 11Bis an exploded perspective view of the semiconductor device package11inFIG. 11A. Referring toFIGS. 11A and 11B, the semiconductor device package11comprises a semiconductor component60, a substrate62, adhesive tapes841,842,843,844, a TIM66, a conductive lid3, a substrate71, a heat spreader72, screws831to838, and adhesive tapes1005and1006. The semiconductor device package11inFIGS. 11A and 11Bis similar to the semiconductor device package10′ inFIGS. 10A and 10B. The difference between the semiconductor device package11and the semiconductor device package10′ is that the locking accessories inFIGS. 11A and 11Bare screws instead of push pins and springs. Thus, the heat spreader72can be fixed to the conductive lid3using the screws831,832,833and834. Additionally, due to the reserved holes142h1,142h2,144h1and144h2on the conductive lid3and the reserved holes h1, h2, h3and h4on the substrate71, the conductive lid3can be fixed to the substrate71using the screws835,836,837and838and nuts (not shown) on the bottom surface of the substrate71. Please note that in this embodiment, the diameter of the reserved holes h1, h2, h3and h4on the substrate71is around 3.0 mm to 3.5 mm. In comparative structures, due to the lack of the conductive lid of the present disclosure, the diameter of the reserved holes on a substrate (e.g., PCB) is around 5.0 mm to 6.0 mm. A comparative structure has larger reserved holes, thereby reducing the usable space of the substrate (e.g., PCB).

FIG. 12Aillustrates a stereoscopic diagram of a semiconductor device package12according to some embodiments of the present disclosure.FIG. 12Bis an exploded perspective view of the semiconductor device package12inFIG. 12A. Referring toFIGS. 12A and 12B, the semiconductor device package12comprises a semiconductor component60, a substrate62, a TIM66, a conductive lid5, a substrate71, a heat spreader72, push pins731,732,733and734, and springs735,736,737and738. The heat spreader72can be fixed to the conductive lid5using the push pins731,732,733and734and the springs735,736,737and738. The semiconductor device package12further comprises adhesive tapes941,942,943and944which are disposed between the bottom surface of the portions521,522,523and524(e.g., the first type of heat dissipation contact portions) of the conductive lid5and the substrate62such that the conductive lid5can be fixed to the substrate62and that the heat generated by the semiconductor component60can be conducted to the substrate62. The semiconductor device package12further comprises adhesive tapes945,946,947and948which are disposed between the bottom surface of the portions525,526,527and528(e.g., the second type of heat dissipation contact portions) of the conductive lid5and the substrate71such that the conductive lid5can be fixed to the substrate71and that the heat generated by the semiconductor component60can be conducted to the substrate71.

FIG. 13illustrates a cross-sectional view of a semiconductor device package13according to another embodiment of the present disclosure. As shown inFIG. 13, the semiconductor device package13comprises a PCB1300, a BGA substrate1301, a die1302, a lid1303, and a heat spreader1304. The lid1303has a hat shape, which is different from the conductive lids1,3,4and5of the embodiments of the present disclosure. The semiconductor device package13can further comprise a TIM1305disposed between the lid1303and the heat spreader1304and another TIM1307disposed between the die1302and the lid1303. The semiconductor device package13can further comprise adhesive1306disposed between the lid1303and the BGA substrate1301. The semiconductor device package13can further comprise an underfill1308disposed between the BGA substrate1301and the die1302and another underfill1309disposed between the PCB1300and the BGA substrate1301.

FIG. 14illustrates a stereoscopic diagram of a semiconductor device package14according to some embodiments of the present disclosure. The semiconductor device package14inFIG. 14is similar to the semiconductor device package7inFIG. 7, and a difference between them is that the semiconductor device package14further comprises a fan1410disposed on the heat spreader72. The fan1410can be fixed to the heat spreader72by thermal grease, adhesives or the like.

Below is a table comparing the heat dissipation effects between the semiconductor device package13inFIG. 13(under the condition that the heat sink1304and the fan1310are removed) and the semiconductor device package7inFIG. 7(under the condition that the heat sink72is removed). Please note that in this case, the material of the lid1303of the semiconductor device package13and that of the conductive lid1of the semiconductor device package7are copper (Cu). Table 1 shows that under the same condition, the junction temperature of the semiconductor device package7and the thermal characteristics θJA, φJT, and θJBare all lower than those of the semiconductor device package13, which means that the semiconductor device package7has a better heat dissipation effect than the semiconductor device package13. Please note that the parameter θJAof the thermal characteristic is the ability for conducting thermal energy in the entire semiconductor device package; the parameter φJTof the thermal characteristic is the ability for conducting thermal energy from the semiconductor component toward the upper portion of the semiconductor device package; the parameter θJBof the thermal characteristic is the ability for conducting thermal energy from the die toward the lower portion of the semiconductor device package.

Below is a table comparing the heat dissipation effects between the semiconductor device package13inFIG. 13(under the condition that the heat sink1304and the fan1310are removed) and the semiconductor device package7inFIG. 7(under the condition that the heat sink72is removed). Please note that in this case, the material of the lid1303of the semiconductor device package13is copper (Cu) and the material of the conductive lid1of the semiconductor device package7is aluminum (Al). Table 2 shows that even though the thermal conductivity of aluminum is worse than that of copper, the junction temperature of the semiconductor device package7and the thermal characteristics θJA, φJT, and θJBare all lower than those of the semiconductor device package13, which means that of the semiconductor device package7still has a better heat dissipation effect than the semiconductor device package13.

Below is a table comparing the heat dissipation effects between the semiconductor device package13inFIG. 13and the semiconductor device package14inFIG. 14. Please note that in this case, the material of the lid1303of the semiconductor device package13and that of the conductive lid1of the semiconductor device package7are copper (Cu) and the air speed of the fan is 0 m/s. Table 3 shows that under the same condition, the junction temperature of the semiconductor device package14and the thermal characteristics θJA, φJT, and θJBare all lower than those of the semiconductor device package13, which means that the semiconductor device package14has a better heat dissipation effect than the semiconductor device package13.

Below is a table comparing the heat dissipation effects between the semiconductor device package13inFIG. 13and the semiconductor device package14inFIG. 14. Please note that in this case, the material of the lid1303of the semiconductor device package13and that of the conductive lid1of the semiconductor device package7are copper (Cu) and the air speed of the fans1401and1310is 2 m/s. Table 4 shows that under the same condition, the junction temperature of the semiconductor device package14and the thermal characteristics θM, φJT, and θJBare all lower than those of the semiconductor device package13, which means that the semiconductor device package14has a better dissipation effect than the semiconductor device package13.

As used herein, the singular terms “a,” “an,” and “the” may include plural referents unless the context clearly dictates otherwise. For example, reference to an electronic device may include multiple electronic devices unless the context clearly dictates otherwise.

As used herein, the terms “connect,” “connected,” and “connection” refer to an operational coupling or linking. Connected components can be directly or indirectly coupled to one another through, for example, another set of components.