baber/WOPTO huggingface dataset:
Patent JP-2004184940-A (JP)
Title: Exposure apparatus
Inventor: IMAI HIROYUKI
IPC: G03F7/20
Filed: 2002-12-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide an exposure apparatus in which efficient and high-accuracy exposure can be carried out.  <P>SOLUTION: A film mask 3 having a circuit pattern drawn is disposed opposing to a substrate 50, and a pressurizing film 1 is disposed above the film mask 3. When a platen 4 is raised, the film mask 3 is brought into contact with the pressurizing film 1 and pressed to the substrate 50. The film mask 3 and the platen 4 are housed in a reduced pressure chamber 2, with the upper face of the chamber 2 consisting of the pressurizing film 1. The pressurizing film 1 is made of a synthetic resin or the like and transmits light at the wavelength of the exposure light. The periphery of the pressurizing film 1 is linked to the wall of the reduced pressure chamber 2 and constitutes the wall of the reduced pressure chamber. When the chamber side Y is under reduced pressure, the pressurizing film 1 bulges from the center part to the periphery in the direction to the film mask 3 and pushes the film mask 3 to the substrate 50.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004192689-A (JP)
Title: Substrate mounting structure in disk recording and playing-back device
Inventor: INOUE TADASHI
IPC: G11B33/12
Filed: 2002-12-10
Abstract: <P>PROBLEM TO BE SOLVED: To miniaturize the whole of a disk recording and playing-back device wherein a sensor substrate on which an FG sensor is mounted is disposed opposite to the rear surface of a turntable.  <P>SOLUTION: A substrate placing surface 7a on which the sensor substrate 6 is to be placed is formed and a rib 70 restricting movement of the sensor substrate 6 on the substrate placing surface 7a from two axis directions orthogonal to each other is protruded on the surface of a mounting 7 in the disk recording and playing-back device and the sensor substrate 6 is screwed to the substrate placing surface 7a in a state restricted by the rib 70.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004189051-A (JP)
Title: Air bag device for vehicle
Inventor: ONO KAZUMI
IPC: B60R21/205
Filed: 2002-12-10
Abstract: <P>PROBLEM TO BE SOLVED: To prevent breakage between a door for reinforcement and an air bag lid when deploying an air bag.  <P>SOLUTION: A resin-made instrument panel 2 is provided with the air bag lid 5 partitioned by a fragile line 3 and the door 8 for reinforcement attached to a rear surface of the air bag lid 5 by welding a boss 15 protruding from the rear surface of the air bag lid 5. The door 8 for reinforcement has a door main body part 9 positioned on the rear surface of the air bag lid 5, a mounting part 10 of an instrument panel 2 provided around the air bag lid 5, and a hinge part 11 provided between the door main body part 9 and the mounting part 10. A longitudinal bead 21 extending from a hinge part 11 side toward a tip side of the door main body part 9 is provided in the door main body part 9 of the door 8 for reinforcement. Lateral beads 22, 23 positioned between the hinge part 11 and a mounting part (hole 16) to the boss 15 provided in the vicinity of the hinge part 11 and extending along the hinge part 11 are provided so that the longitudinal bead 21 crosses the lateral beads 22, 23.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004191146-A (JP)
Title: Bearing inspection apparatus
Inventor: YOSHIKAWA HIROSHI
IPC: G01M13/04
Filed: 2002-12-10
Abstract: <P>PROBLEM TO BE SOLVED: To conduct a plurality of inspections of a bearing by one apparatus.  <P>SOLUTION: The apparatus comprises: a rotating device 10 which rotates one bearing ring 4 of the bearing; a measuring holder 8 which is attached with another bearing ring 3 of the bearing preloaded and on which vibrations and fluctuations occur in accordance with the vibrations or fluctuations of the bearing ring 3; a vibration pickup 15 which is attached to the measuring holder 8 for sound measurement; a displacement sensor 18 which detects the fluctuations of the measuring holder 8 for NRRO measurement; and a torque measuring instrument 19 which measures a torque occurred on the measuring holder 8 through the bearing ring 3 accompanied by the rotation of the bearing ring 4.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004189941-A (JP)
Title: Biodegradable polyester film and its manufacturing method
Inventor: IKEYAMA KOICHI
IPC: C08G63/02
Filed: 2002-12-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a biodegradable polyester film which can sufficiently improve its heat sealability at least in one direction, and its manufacturing method.  <P>SOLUTION: The biodegradable polyester film is formed of an aliphatic polyester copolymer comprising (A) 0.02-30 mol% aliphatic hydroxy carboxylic acid units represented by the formula: -O-R<SP>1</SP>-CO-(wherein R<SP>1</SP>is a divalent aliphatic hydrocarbon group), (B) 35-49.99 mol% aliphatic or alicyclic diol units represented by the formula: -O-R<SP>2</SP>-O-(R<SP>2</SP>is a divalent aliphatic or alicyclic hydrocarbon group), and (C) 35-49.99 mol% aliphatic dicarboxylic acid units represented by the formula: -CO-R<SP>3</SP>-CO-(R<SP>3</SP>is a direct bond or a divalent aliphatic hydrocarbon group) and having a number average molecular weight of 10,000-200,000; the film has a heat sealing strength at least in one direction of 20-80 N/15 mm breadth.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004189454-A (JP)
Title: Suction roll and suction roll device using the same
Inventor: KUMAMOTO SATOSHI
IPC: B65H18/10
Filed: 2002-12-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a suction roll of simple structure capable of controlling the film thickness with high accuracy without causing irregular tension in a film to be transferred at low cost.  <P>SOLUTION: In the suction roll 13, a punching metal 29 of a vent structure having a large number of through holes 31 in outer and inner circumferential surfaces is fitted to an outer circumferential surface of a suction roll body rotatable around the axis. The punching metal 29 is provided so that a tapered surface 33 expanded toward the outer circumferential surface generated when driving a punch is located on the outer circumferential surface side of each hole 31. When the negative pressure is fed from the suction roll body side to the punching metal 29, the outer circumferential surface of the punching metal 29 forms a suction surface 35 causing no irregular suction, and the tapered surface formed in each hole 31 suppresses the occurrence of suction marks. In addition, the structure is simple and the manufacturing cost is reduced.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004194173-A (JP)
Title: Imaging device
Inventor: NOZAWA SHINGO
IPC: H04N7/24
Filed: 2002-12-13
Abstract: <P>PROBLEM TO BE SOLVED: To prevent a lack of an image at its reproduction even if recording is started during the transmission of coded image signals.  <P>SOLUTION: The number of P or B images which lack when they are reproduced is reduced by making the ratio of I images after the starting of recording larger than that before the starting of recording.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004200394-A (JP)
Title: Manufacturing method of semiconductor device
Inventor: MATSUMURA AKIKO
IPC: H01L21/48
Filed: 2002-12-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide the manufacturing method of a semiconductor device capable of improving the reliability of connection by a bump through a more sure and simple means.  <P>SOLUTION: The semiconductor device is manufactured by a method wherein the bump is equipped on a substrate, an adhesive film having an elasticity (-55°C) of 100MPa-5GPa and a thickness of 5-40% of the height of the bump is applied on the bump to cover the same, and the adhesive film is equipped on the substrate so that the bump projects the film.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004198734-A (JP)
Title: Electrophotographic photoreceptor, its manufacturing method, process cartridge and electrophotographic apparatus
Inventor: SHIINO SHIGEAKI
IPC: G03G5/05
Filed: 2002-12-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor which can sufficiently suppress image defects such as interference fringes, an image blur and fog during image formation, and to provide its manufacturing method, a process cartridge and an electrophotographic apparatus.  <P>SOLUTION: In the electrophotographic photoreceptor provided with a conductive base body, a base coat layer formed on the base body and a photosensitive layer formed on the base coat layer, the base coat layer has a surface roughness Ra ranging from 0.03 to 0.30 μm and a transmittance to a light of wavelength of 780 nm ranging from 5 to 30%.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004207344-A (JP)
Title: Rear surface incident light receiving element
Inventor: IGARASHI NOBUHIRO
IPC: H01L31/0232
Filed: 2002-12-24
Abstract: <P>PROBLEM TO BE SOLVED: To facilitate the positioning of an optical fiber with respect to a light receiving part without requiring labor and time.  <P>SOLUTION: The rear surface incidence light receiving element 1 is adapted such that light emanating from the optical fiber 11 is incident on the rear surface 9 of a semiconductor substrate 3, and received by a light receiving part 7 provided on the surface 5 of the semiconductor substrate 3, and an electric signal in response to the quantity of the received light is outputted. A frame-shaped positioning pattern 21 is provided on the rear surface of the semiconductor substrate 3 for positioning the optical fiber 11 with respect to the rear surface 9 of the semiconductor substrate 3. The positioning pattern 21 indicates a displaceable region of the optical fiber 11 with respect to the light receiving part 7 where the output of the light receiving part 7 is not reduced beyond a predetermined value. When the optical fiber 11 is positioned with respect to the light receiving part 7, the tip end surface of the optical fiber 11 is adjusted to fall within a range S in a contour 23 of the positioning pattern 21 under a microscope.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004201882-A (JP)
Title: Game island
Inventor: TAKEUCHI MASAHIRO
IPC: A63F7/02
Filed: 2002-12-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a game island which enables the player to end the game without incongruity feeling at any time.  <P>SOLUTION: The decrease in the number of balls to be displayed on the monitor and the returning of the game balls stored in a counted ball storage tank 60 are carried out synchronously. As a result, for example, the amount of the storage in the counted ball storage tank 60 is halved when the number of balls to be displayed on the monitor reduces to a half or down to almost 0 when the number of balls reduces to 0 thereby eliminating the incongruity feeling otherwise felt by the player ending the game.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004207054-A (JP)
Title: Fuel cell stack
Inventor: WAKAHOI TOSHIYA
IPC: H01M8/10
Filed: 2002-12-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fuel cell stack keeping the surface pressure of laminated unit cells uniform, having a structure capable of being simplified.  <P>SOLUTION: A laminated body 14 with a plurality of laminated unit cells is housed in a case member 26, and intermediate plates 28 are arranged in the laminated body 14 corresponding to a given number of the unit cells 12. The intermediate plates 28 are supported to the case member 26 in free back and forth movement while keeping parallelism in the direction of the lamination.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004204395-A (JP)
Title: Conductive combined filament yarn and fabric
Inventor: MORI YOSHITOKI
IPC: D03D15/00
Filed: 2002-12-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a conductive combined filament yarn excellent in yarn-making property/processability and having excellent static elimination performance over a long period.  <P>SOLUTION: The conductive combined filament yarn is obtained by combining a conductive fiber with an antistatic fiber in which the resistivity is ≤1,000×10<SP>8</SP>Ωcm and the shrinkage factor in boiling water is not lower than that of the conductive fiber. The conductive fiber is obtained by conjugating a polymer A in which a polyester having a main recurring unit of butylene terephthalate contains 15-40 wt.% conductive carbon black with a polymer B consisting mainly of a polyester in which a main recurring unit is any one of (a) ethylene terephthalate, (b) butylene terephthalate and (c) trimethylene terephthalate. In the conductive yarn, at least a part of the polymer A is exposed on the surface of the fiber and the polymer B occupies ≥70% and ≤95% fiber cross-sectional area.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004206837-A (JP)
Title: Disk, and method for manufacturing disk
Inventor: EBINA TOSHIYUKI
IPC: G11B7/26
Filed: 2002-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To manufacture a disk of good appearance by preventing an adhesive from flowing into the inner circumferential side or the grooves when disk base boards are stuck together.  <P>SOLUTION: A disk substrate B is molded to form a concave part B4 on the boundary part between an inner circumferential side signal non-transfer area B3 and a signal transfer area B2 on the surface B1 of the side where the disk substrate B has the signal transfer area; a disk substrate A is molded to form a convex part A4 approximately at the same position as the convex part B4 on one surface A3 of the disk substrate A having no signal transfer area; thereafter, an adhesive C is supplied to the outer circumferential area from the concave part B4 of the disk substrate B having the signal transfer area or from the convex part A4 of the disk substrate A4 having no signal transfer area; and thus the disk substrates are stuck together so that the convex part A4 is fitted in the concave part B4.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004214224-A (JP)
Title: Microwave integrated circuit device and manufacturing method therefor
Inventor: TAKASU HIDEKI
IPC: H01L23/10
Filed: 2002-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To permit a microwave element used in a microwave integrated circuit device to avoid influence by thermal stress due to a heating temperature in the case of soldering at the time or working, and to improve maintenance and re-usability of performance as the microwave integrated circuit device.  <P>SOLUTION: The device is provided with a housing 102 to which the microwave elements 104a are fitted by using sealing solder 106, a sealing member 103 having a shape corresponding to that of an opening of the housing 102, and low melting point sealing solder 106 adhered to the opening peripheral edge 102a of the housing 102 and the peripheral edge of the sealing member 103, in a state where they are covered by the opened sealing member 103 of the housing 102.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004208509-A (JP)
Title: Method for producing vegetable-containing yoghurt
Inventor: OKAMOTO YOSHIMITSU
IPC: A23C9/133
Filed: 2002-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for efficiently producing vegetable-containing viable cell-type yoghurt slightly generating diacetyl during cold storage after production as well as at the time of production, and thereby having excellent flavor when eaten.  <P>SOLUTION: This vegetable-containing yoghurt is obtained by subjecting a prepared material comprising a milk product as a fermentation base material to lactic fermentation under the condition that Streptococcus thermophilus and Lactobacillus bulgaricus symbiotically live together as lactic acid bacteria, and mixing the fermented product with 10-60 wt.% of a vegetable processed product based on the whole yoghurt in terms of straight.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004001376-A (JP)
Title: Multi-color heat-sensitive recording material
Inventor: GOTO HIROSHI
IPC: B41M5/26
Filed: 2002-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a multi-color heat-sensitive recording material which has a color development layer containing two or more kinds of color developing dye for color development in varying color tone and a developing compound for developing the color of the color developing dye on a support and shows outstanding dichromatic separation effect almost free from the mixture of high temperature color developing color tones during low temperature color development and the excellent shelf stability of a texture part and an image part.  <P>SOLUTION: This multi-color heat-sensitive recording material has a heat-sensitive color development layer which contains two or more kinds of a color developing dye for color development in varying color tone and the developing compound for thermally developing the color of the color developing dye. In addition, the heat-sensitive color development layer contains a microcapsule encapsulating a liquid obtained by dissolving a first color developing dye as a core substance and a second color developing dye of a solid particulate state for color development in a different color tone from the first color developing dye encapsulated in the microcapsule. The solid particulate of the second color developing dye is a solid particulate with an average particle diameter of 0.l0 to 0.30 μm dispersed by a nonionic or anionic surfactant.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004210577-A (JP)
Title: Artificial stone and its manufacturing method
Inventor: UEDA MITSURU
IPC: C04B32/02
Filed: 2002-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a cast artificial stone for building materials, which is excellent in adhesiveness with metal; and to provide a method for manufacturing the same.  <P>SOLUTION: An external wall 1 for building is manufactured by forming an oxide on the surface of each fitting tool 15 made of a metal material, and embedding the fitting tools 15 in molten granite 14 in a furnace 4 of an electric furnace 2 in which the oxygen partial pressure is adjusted.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004185580-A (JP)
Title: Internet-oriented general-purpose reservation reception system
Inventor: ARASHIRO HIDEYO
IPC: G06Q10/00
Filed: 2002-11-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a system applicable to a plurality of reservation modes by one reservation-handling system.  <P>SOLUTION: In freely setting time, time at reservation is concentrated on receiving service for a fixed time depending on reservation contents from reservation-applied time. Thus, a program allows to set a time quota in a service content unit at a reservation reception side. The program sets a business day/a business hour zone as a function at the reservation reception side and allows only the reservation reception within the time. In freely setting an article, three kinds of items, including the article/the number of persons/price range involved in the reservation are available as indispensable items after considering the article reserved by us. Plural establishment to each of the three kinds of items, respectively complies with the reception contents of significant categories of business at the reservation reception side. In addition, a structure individually controlling respective users utilizing the function is developed to materialize the simultaneous use of a plurality of reservation business and a plurality of reservation reception enterprises by means of a single system.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004501824-A (JP)
IPC: B60R21/272
Filed: 2001-06-21
Abstract: The invention relates to a cold gas generator for an airbag system, comprising a reservoir (1) which is filled with a pressurized gas (2). A release device (4) is provided on one end (3) of the reservoir (1) for the introduction of gas (2) into the airbag when required. The reservoir (1) is sealed by a bottom (6) with a safety valve (70) on the opposite end  (5).The bottom (6) is curved in a convex manner and has a receiving opening (8) approximately in the center wherein the safety valve (7) is welded thereto in order to seal said receiving opening (8).
Patent JP-2004502666-A (JP)
IPC: C07C217/80
Filed: 2001-03-10
Abstract: The invention relates to an oxidative coloring agent for keratin fibers, in particular hair based on a developing agent-coupling agent combination, which contains as a developing agent at least one 2-hydroxy-5-amino-biphenyl derivative of general formula (I) in addition to novel 2-hydroxy-5-amino-biphenyl derivatives.
Patent JP-2004503184-A (JP)
Title: 通話応答方法およびシステム
IPC: H04M1/64
Filed: 2001-06-29
Abstract: 本発明は、電話通話に応答する新規なシステムおよび装置を提供する。本発明の一態様によれば、スイッチを備える通話応答装置が提供される。スイッチは、電話装置を、電話ネットワークを介してそのスイッチに接続された発信者から受信される通話に接続するように機能する。スイッチは、処理ユニットおよび複数の予め録音されたメッセージを含む格納装置にも接続される。電話装置で、受信者が会議中（または、他の不都合な時）の時などに入ってくる通話を受信し、受信者が発信者に応えるのを希望する場合、受信者は、処理ユニットにメッセージ選択基準を提供することができる（電話装置上のキーパッドを介して）。処理ユニットは、メッセージ選択基準に基づいて発信メッセージを組立てることができる。そのメッセージは、格納装置上に格納されている複数のメッセージから組立てられる。メッセージが組立てられると、処理ユニットは、発信者に発信メッセージを送ることができる。このような方式で、受信者は、会議（または、受信者が通話に応えるのが不都合な他の活動）を中断することなく、発信者に個々に応える方法を提供される。
Patent JP-2004504068-A (JP)
Title: コンビナトリアル・プローブ及びそのための用途
IPC: G16B25/20
Filed: 2001-07-27
Abstract: 複数の異なる標的ポリヌクレオチドを検出するためのオリゴヌクレオチドプローブの集合及び方法が開示される。この集合は異なる入り混じったプローブの集合を含み、該入り混じったプローブのそれぞれが該標的ポリヌクレオチドの少なくとも二つの間で共有される標的配列にハイブリダイズできるものである。少なくとも一つの標的ポリヌクレオチドは一つ以上の他の標的ポリヌクレオチドと共有される少なくとも一つの標的配列を含んでいる。入り混じったプローブの予め定められた組み合わせは該少なくとも一つの標的ポリヌクレオチドの標的配列にハイブリダイズでき、該予め定められたプローブの組み合わせは該標的ポリヌクレオチドの検出に特異性を与える。また、本明細書のオリゴヌクレオチドプローブの集合を設計するための標的配列の集合を同定するプロセスも開示される。
Patent JP-2004506400-A (JP)
Title: Ｗａｐプロトコルを用いた赤外線データ伝送リンクを有する送電網のための保護手段
IPC: H02H3/02
Filed: 2001-08-08
Abstract: 遮断器（１３、１４、１５）に接続される送電網の線（１０、１１、１２）の電流センサおよび／または電圧センサが故障を検知した場合、前記遮断器の開放を制御するように構成された高電圧送電網用のデジタル保護手段が、赤外線タイプの携帯電話（１６、１８）とのデータ伝送リンクを含む。伝送は、ワイヤレスアプリケーションプロトコルＷＡＰを使用する。
Patent JP-2004506487-A (JP)
Title: スラリー分離及びバイオガス生成についてのコンセプト
IPC: C05F1/02
Filed: 2001-08-22
Abstract: この発明は、動物厩肥、エネルギー農作物及び同様の有機物質を嫌気的に分解することに関する。方法は、分解されたバイオマス中に含まれる栄養分を商業的品質の肥料へ再生させることができる。この発明は、肉および骨粉を含む動物の死体もしくはその一部を処理して、動物起源の有機廃棄物を処理する代替手段を提供する一方で、同時に肥料の製造を促進する方法を提供する。ＢＳＥプリオンもしくは他種のプリオンが排除されないとしても、ＢＳＥプリオンもしくは他種のプリオンがヒト又は動物に拡散する危険性は実質的に低減する。本発明のバイオガス及びスラリー分離システムは、好ましくは畜産業の操作と統合され、畜産業の内部的及び外部的な作業を最適化することができる全体的コンセプトを形成する。内部的作業は、動物小屋の管理に関する品質面に関連し、産業的衛生性、動物の快適さ、気体状排出物及びダスト排出物の制御及び食物安全性に館する。外部的作業は、主として、エネルギー生産、温室化ガス及び栄養分の周囲環境への放出の制御ならびに高品質の食品生成物の販売に関する。
Patent JP-2004510583-A (JP)
Title: リアル・タイムにおいて溶接条件を検知するためのスポット溶接装置および方法
IPC: B23K11/25
Filed: 2001-07-06
Abstract: 積分形態のエネルギ・バランス・モデル内で溶接データを使用して、平均溶着部温度を推定し、かつスプラッシュの発生および溶着部直径などプロセス条件を予測することにより、リアル・タイムで抵抗スポット溶接プロセス条件を監視するための方法および装置を提供する。予測される溶接プロセス条件を使用して溶接パラメータをリアル・タイムで修正し、スプラッシュを予防しかつ健全な溶着部を生成する。
Patent JP-2004510985-A (JP)
IPC: G01R31/3185
Filed: 2001-10-02
Abstract: The present invention is a system and method that holds a logic value constant during normal operations and facilitates manipulation of the logic value during scan test operations. In one embodiment the present invention is a constant logic value manipulation scan test chain that includes a combinational circuit, a constant logic value scan test manipulation circuit, and a scan test element. The a combinational circuit performs functional operations during normal mode. The constant logic value scan test manipulation circuit provides a logic value output that remains constant during normal operations and changes in accordance with scan test input information during scan test operations. The scan test element communicates test vectors to functional components and interacts with functional logic utilized to perform normal operations. In one exemplary implementation of the present invention the combinational circuit is a logic gate and the logic value output by the constant logic value scan test manipulation circuit is coupled to an input of the logic gate. The logic value input to the logic gate remains constant during normal operations and is manipulated in accordance with scan test input information during scan test operations.