WO2006018958A1 - コネクタ、プリント回路板、これらの接続装置及びこれらを用いた電子部品の試験方法 - Google Patents
コネクタ、プリント回路板、これらの接続装置及びこれらを用いた電子部品の試験方法 Download PDFInfo
- Publication number
- WO2006018958A1 WO2006018958A1 PCT/JP2005/013875 JP2005013875W WO2006018958A1 WO 2006018958 A1 WO2006018958 A1 WO 2006018958A1 JP 2005013875 W JP2005013875 W JP 2005013875W WO 2006018958 A1 WO2006018958 A1 WO 2006018958A1
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- WIPO (PCT)
- Prior art keywords
- connector
- fixing
- printed circuit
- circuit board
- pin
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0266—Marks, test patterns or identification means
- H05K1/0268—Marks, test patterns or identification means for electrical inspection or testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/7005—Guiding, mounting, polarizing or locking means; Extractors
- H01R12/7011—Locking or fixing a connector to a PCB
- H01R12/7017—Snap means
- H01R12/7023—Snap means integral with the coupling device
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/281—Specific types of tests or tests for a specific type of fault, e.g. thermal mapping, shorts testing
- G01R31/2815—Functional tests, e.g. boundary scans, using the normal I/O contacts
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0213—Electrical arrangements not otherwise provided for
- H05K1/0216—Reduction of cross-talk, noise or electromagnetic interference
- H05K1/0218—Reduction of cross-talk, noise or electromagnetic interference by printed shielding conductors, ground planes or power plane
- H05K1/0219—Printed shielding conductors for shielding around or between signal conductors, e.g. coplanar or coaxial printed shielding conductors
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09009—Substrate related
- H05K2201/09063—Holes or slots in insulating substrate not used for electrical connections
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10431—Details of mounted components
- H05K2201/10598—Means for fastening a component, a casing or a heat sink whereby a pressure is exerted on the component towards the PCB
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/301—Assembling printed circuits with electric components, e.g. with resistor by means of a mounting structure
Definitions
- the present invention relates to a connector, a printed circuit board, a connection device thereof, and an electronic component testing apparatus using the same.
- the present invention connects a connector connected to a test apparatus to a test area provided on the printed circuit board, and tests the electronic component.
- a connector, a printed circuit board, and a connecting device for both of them that can be suitably used to carry out this method.
- a plurality of probes connected to a test apparatus are arranged in the same pattern as the electrode pads of the printed circuit board and are in contact with these electrode pads.
- a spring probe is used as a test probe.
- a plurality of spring probes are arranged in a dedicated jig so that they are pressed against the electrode pads of the printed circuit board.
- the jig that supports multiple spring probes has a relatively complex structure, and a mechanism that supports the printed circuit board is also required.
- Patent Document 1 the connector terminal pin is inserted into the through hole of the printed circuit board.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2002-268911 Disclosure of the invention
- An object of the present invention is to provide a connector, a printed circuit board, a connecting device thereof, and an electronic component using the same, which can connect the test apparatus and the printed circuit board at a relatively low cost. It is to provide a test method.
- an object of the present invention is to provide a connector, a printed circuit board, and a connection device thereof that conform to a unified standard for realizing a JTAG test device defined in IEEE1149.1, for example.
- the connector according to the present invention comprises a plurality of conductive pins and at least one fixing pin extending substantially parallel to the conductive pins, wherein the fixing pins are longer than the conductive pins. is there.
- the fixing pin has a structure suitable for being fixed to the printed circuit board.
- the fixed pin has a tapered structure with a narrow tip side.
- the fixing pin has at least one member force that can be elastically deformed, and the member has a hook portion.
- At least one fixing pin has a structure for restricting the mounting direction of the connector. It is also preferable that at least one fixing pin has two fixing pin forces.
- the conductive pin of the connector becomes the electrode pad of the printed circuit board.
- the fixing pin of the connector is adapted to engage with the fixing hole when inserted into the fixing hole of the printed circuit board.
- the connector is electrically connected to the printed circuit board and the connector is coupled to the printed circuit board. That is, the connector can be independently coupled to the printed circuit board. Therefore, connectors that do not use other jigs can be easily attached to and electrically connected to printed circuit boards.
- a printed circuit board having a test area to which a connector having at least one fixed pin and a plurality of test signal conductive pins can be connected.
- a printed circuit board characterized in that at least one fixing hole into which a fixing pin can be inserted and a plurality of signal electrodes with which the conductive pin can contact are arranged.
- the five signal electrodes are respectively arranged at the vertices of the squares and the center positions of the diagonal lines.
- the five signal electrodes and the TAG test signal electrodes are TCK at the center of the square diagonal, TDI and TDO at both ends of one diagonal, and TMS and TRST at both ends of the other diagonal.
- Each signal electrode is arranged.
- Two more grounding electrodes are arranged in the test area at the center position of the first side of the square and at the center position of the third side facing the first side, respectively.
- the signal electrode or the ground electrode is an electrode pad.
- the two fixing holes are arranged on the straight line between the first side and the third side of the square at positions where the central forces of the diagonal lines are also separated in the opposite directions. In this case, by making the diameters or cross-sectional shapes of the two fixing holes different from each other, the insertion direction of the corresponding connector is restricted, and erroneous connection is prevented.
- a connector connectable to a test area of a printed circuit board in which at least one fixed hole and a plurality of signal electrodes are arranged, the connector body, and the connector
- a connector characterized by comprising at least one fixing pin that protrudes in parallel with each other and that can be inserted into the fixing hole, and a plurality of signal conductive pins that can contact the signal electrode.
- the five signal conductive pins are respectively arranged at the apexes of the square and the center positions of the diagonal lines.
- the five conductive pins for signal are JTAG test signal pins, TCK at the center of the diagonal of the square, TDI and TDO at both ends of the diagonal, and TMS and TRST at the ends of the other diagonal. Conductive pins for each signal are arranged.
- grounding conductive pins protrude from the connector body in parallel with the signal conductive pins, and the grounding conductive pins extend to the center position of the first side of the square. Are arranged at the center position of the third side facing each other.
- the signal conductive pin or the ground conductive pin is a spring pin, It is attached to the connector body so that it can be retracted with a screw.
- the two fixing pins are arranged on the straight line intermediate between the first side and the third side of the square, and the diagonal center position forces are also separated in the opposite directions.
- the diameters or cross-sectional shapes of the two fixing pins are made different from each other.
- it is preferable that one of the two fixing pins is thinner and longer than the other.
- a connector comprising a connector main body, at least one fixing pin and a plurality of conductive pins protruding parallel to the connector main body force, and at least the fixing pin can be inserted.
- a printed circuit board having a test area in which one fixing hole and a plurality of electrodes that can contact the conductive pin are arranged, and the conductive pin is inserted into the fixed hole.
- a mechanism for positioning and fixing the connector to a printed circuit board so as to maintain a state in contact with the electrode, and a connecting device characterized by force are provided.
- the plurality of conductive pins provided in the connector include five signal conductive pins arranged respectively at the apexes of the square and the center position of the diagonal
- the printed circuit board includes The plurality of electrodes provided includes five signal electrodes respectively arranged at the apexes of the square and the center positions of the diagonal lines, to which the five signal conductive pins can be contacted.
- the five pairs of signal conductive pins 'electrode pairs of the connector and the printed circuit board are JTAG test signal pin' electrode pairs, which are TCK at the center of the diagonal of the square and both ends of one of the diagonals.
- TDI and TDO conductive pin electrode pairs for TMS and TRST signals are arranged at both ends of the other diagonal line.
- the connector further includes two grounding conductive pins protruding from the connector main body in parallel with the signal conductive pins, and the printed circuit board can contact these two grounding conductive pins. These two sets of grounding conductive pin 'electrode pairs are arranged at the center position of the first side of the square and the center position of the third side opposite to the first side, respectively. Yes.
- the signal electrode and Z or the grounding electrode are electrode pads, and the signal conductive pin and Z or the grounding conductive pin are attached to the connector body so as to be retractable by a spring. These conductive pins are electrode pads by spring force. Pressed by the door.
- the connector has two fixing pins protruding in parallel with the signal conductive pins from the connector body, and the printed circuit board has two fixing holes into which the fixing pins can be inserted.
- 2ffi ⁇ 's fixed pin' fixed hole pair is located on a straight line parallel to the first side and the third side of the square and spaced in the opposite direction from the TCK signal conductive pin. Arranged.
- the two sets of fixing pin / fixing hole pairs have different diameters or cross-sectional shapes.
- a method for testing an electronic component mounted on a printed circuit board wherein a fixing pin of the connector is inserted into a fixing hole provided in a test area of the printed circuit board, and a plurality of connectors are connected.
- the conductive pins are brought into contact with a plurality of electrodes that are electrically connected to the electronic component and arranged in the test region, respectively, and the connector is connected to the printed circuit board so as to maintain the contact state between the conductive pins and the electrodes.
- the five signal conductive pins provided in the connector and arranged at the center positions of each vertex and diagonal of the square are provided in the test area of the printed circuit board and each vertex and diagonal of the square.
- the five signal electrodes are arranged in the center of each of the electrodes and are brought into contact with each other.
- the five sets of signal conductive pins and electrodes of the connector and the printed circuit board are the JTAG test signal pins and electrodes, which are TCK at the center of the square diagonal and at both ends of the one diagonal.
- Conductive pins and electrodes for TMS and TRST signals are arranged at both ends of TDI and TDO and the other diagonal line, and these pin 'electrode pairs are respectively in contact with each other.
- the connector further includes two grounding conductive pins, and the printed circuit board includes a grounding electrode that can contact these two grounding conductive pins.
- the grounding conductive pin 'electrode pair is disposed at the center position of the first side of the square and at the center position of the third side opposite to the first side. The electrode pair and the electrode pair are simultaneously brought into contact with each other at the same time.
- the signal electrode and Z or the ground electrode are electrode pads, and the signal conductive pin and Z or the ground conductive pin are retracted by a spring.
- the signal conductive pin and Z or the ground conductive pin are pressed against the electrode pad by a spring force.
- the connector has the two fixing pins, the tip of at least one of the fixing pins is pointed like a taper and has a hook-shaped portion, and the printed circuit board includes the fixing pins.
- the connector has two fixing pins
- the printed circuit board has two fixing holes into which the fixing pins can be inserted
- these two sets of fixing pins' fixing hole pairs are The diameters or cross-sectional shapes are different from each other, and the joining direction of the connector to the printed circuit board is regulated.
- one of the two fixing pins is thinner and longer than the other, and the one fixing pin is inserted into the corresponding fixing hole first, and then the other fixing pin is inserted into the corresponding fixing hole. insert.
- the connector can be electrically connected to the printed circuit board relatively easily and reliably by contact between the conductive pins on the connector side and the electrodes on the printed circuit board side.
- the fixing pin and the fixing hole it is possible to ensure a state where the conductive pin and the electrode are electrically connected.
- the connector is connected to the test equipment, the electronic equipment mounted on the printed circuit board can be tested by connecting the test equipment and the printed circuit board at a relatively low cost.
- FIG. 1 is a diagram showing an example in which a connector according to an embodiment of the present invention is connected to a printed circuit board and a test apparatus.
- FIG. 2 is a diagram showing a region where a plurality of electrode pads and a plurality of fixing holes are arranged on a part of the printed circuit board of FIG.
- FIG. 3 is a perspective view showing a connector.
- FIG. 4 is a bottom view of the connector of FIG.
- FIG. 5 is a perspective view showing an initial state when the connector is attached to the printed circuit board.
- FIG. 6 is a perspective view showing a state where the connector is attached to the printed circuit board.
- FIG. 7 is a view showing an example in which a conductive pin is formed as a spring probe.
- FIG. 8 is a view showing an example of a hook portion of a fixing pin.
- FIG. 9 is a view showing another example of the fixing pin.
- FIG. 10 is a view showing another example of the fixing pin and the fixing hole.
- FIG. 11 is a diagram showing another example of an arrangement of a plurality of electrode pads and a plurality of fixing holes.
- FIG. 12 is a diagram showing an example in which the shapes of the plurality of fixing holes are changed.
- FIG. 13 is a diagram showing an example in which the shapes of the plurality of fixing holes are changed.
- FIG. 14 is a diagram showing an example in which the shapes of the plurality of fixing holes are changed.
- FIG. 15 is a view showing another example of the arrangement and shape of the fixing holes.
- FIG. 16 is a view showing another example of the arrangement and shape of the fixing holes.
- FIG. 17 is a diagram showing another example of the shape of the fixing hole.
- FIG. 18 is a diagram showing another example in which the length, cross-sectional size, and shape of two fixing pins are changed.
- FIG. 19 shows an example of electrode pad arrangement suitable for standardization for TACT testing.
- FIG. 1 is a diagram showing an example in which a connector according to an embodiment of the present invention is connected to a printed circuit board and a test apparatus.
- FIG. 2 is a diagram showing a test region in which a plurality of electrode pads and a plurality of fixing holes are arranged on a part of the printed circuit board of FIG.
- the test area shown in Fig. 2 corresponds to the area where the connector of Fig. 1 can be installed.
- the electrical connection between the device under test and the test apparatus will be described as an example for in-circuit emulation of the printed circuit board, but the present invention is not limited to such an example.
- the mounting combination structure 10 includes a printed circuit board 12 and a connector 14.
- Connector 14 is attached to printed circuit board 12 and is adapted to be removed from printed circuit board 12.
- Connector 14 is connected to test equipment 18 by cable 16.
- the printed circuit board 12 includes a semiconductor element 20, at least one electrode pad (land) 22, and at least one fixing hole 24. In the illustrated example, a plurality of (for example, five) electrode pads 22 and a plurality of (for example, two) fixing holes 24 are provided.
- the fixing hole 24 is a through hole.
- the printed circuit board 12 has an internal circuit and an external connection terminal (not shown), and the semiconductor element 20 is connected to the electrode pad 22 by the internal circuit. Other electrical components are mounted on the printed circuit board 12!
- the plurality of electrode pads 22 are provided in accordance with signals defined by the IEEE 119.1 Test Bus (commonly called JTAG bus).
- JTAG (Joint Test Action Group) test signals include TDI, TDO, TMS, TCK, and TRST.
- TDI is used for test data input
- TDO is used for test data output
- TMS is used for test mode selection
- TCK is used for clock
- TRST is used for reset signals.
- These electrode pads 22 and fixing holes 24 are collectively arranged in one region.
- two fixing holes 24 and seven electrode pads 22 are arranged in three columns and three rows, and at least one fixing hole 24 is provided for the row or column in which the fixing holes 24 are located. At least one electrode pad 22 is arranged in a straight line in one region.
- FIG. 3 is a perspective view showing the connector 14, and FIG. 4 is a bottom view of the connector 14 shown in FIG.
- the connector 14 includes a connector body 26, seven conductive pins 28 that project downward from the lower portion of the connector body 26, and two fixing pins 30 that extend substantially parallel to the conductive pins 28.
- the fixed pin 30 is longer than the conductive pin 28.
- the conductive pin 28 contacts the electrode pad 22 of the printed circuit board 12 and functions as a probe in the test.
- a cable 16 shown in FIG. The conductive pin 28 is electrically connected to the cable 16.
- the seven conductive pins 28 and the two fixing pins 30 are arranged together in one area in the same manner as the seven electrode pads 22 and the two fixing holes 24 in FIG.
- the holes 24 are arranged in a corresponding positional relationship.
- the two fixing pins 30 are inserted into the two fixing holes 24, and the seven conductive pins 28 are in contact with the seven electrode pads 22.
- the fixing pin 30 enters the fixing hole 24 before the conductive pin 28 longer than the conductive pin 28 contacts the electrode pad 22, and acts as a guide when the connector 14 is attached to the printed circuit board 12.
- Each fixing pin 30 has a structure suitable for being fixed to the printed circuit board 12.
- Each fixing pin 30 has at least one elastically deformable member force, and this member can have a structure having a hook portion.
- each fixing pin 30 has a cracked structure, and is composed of a pair of longitudinal members 30a that can be elastically deformed so as to be separated from or close to each other.
- a gap 30b is formed between the pair of longitudinal members 30a, and the gap 30b becomes larger and smaller when the longitudinal member 30a is elastically deformed so as to be separated from or closer to each other.
- Each long member 30a has a substantially semicircular cross-sectional shape.
- An arrowhead-like hook part 30c is provided at the tip of each longitudinal member 30a.
- FIG. 5 is a perspective view showing an initial state when the connector 14 is attached to the printed circuit board 12
- FIG. 6 is a perspective view showing a state where the connector 14 is attached to the printed circuit board 12.
- the distance between the outer surfaces of the pair of longitudinal members 30a of the fixing pin 30 is larger than the inner diameter of the fixing hole 24 of the printed circuit board 12.
- the lower taper portion of the hook part 30c at the tip of the pair of longitudinal members 30a of the fixing pin 30 is inserted into the fixing hole 24, and as the fixing pin 30 is pushed into the fixing hole 24, the distance between the pair of longitudinal members 30a is increased. The gap 30b is reduced.
- the hook portion 30c passes through the lower end of the fixing hole 24 (the lower surface of the printed circuit board 12)
- the pair of longitudinal members 30a opens, the pair of longitudinal members 30a contact the inner surface of the fixing hole 24, and the hook portion 30c
- the circuit board 12 is engaged with the lower surface of the wall.
- the fixing pin 30 is substantially immovably held in the fixing hole 24.
- the conductive pins 28 of the connector 14 are in contact with the electrode pads 22 of the printed circuit board 12, and the connector 14 is electrically connected to the printed circuit board 12.
- the connector 14 is also mechanically coupled to the printed circuit board 12.
- the fixing pin 30 acts to ensure electrical contact between the conductive pin 28 and the electrode pad 22 and to maintain the mechanical coupling between the connector 14 and the printed circuit board 12.
- the connector 14 is autonomously coupled to the printed circuit board 12. Therefore, the connector 14 without using another jig can be easily attached to and electrically connected to the printed circuit board 12.
- FIG. 7 is a view showing an example in which the conductive pin 28 is formed as a spring probe.
- the conductive pin 28 is disposed between the metal cylindrical member 32 disposed in the connector body 26, the contact member 34 disposed movably on the metal cylindrical member 32, and the metal cylindrical member 32 and the contact member 34. Includes spring 36.
- the probe 34 contacts the electrode pad 22 under the spring force of the spring 36. Therefore, the conductive pin 28 can be reliably brought into contact with the electrode pad 22.
- connector 14 is coupled to the printed circuit board 12, a desired test or the like is performed. When the test is complete, remove connector 14 from printed circuit board 12.
- the conductive pin 28 comes into contact with the electrode pad 22! /, And the hook portion 30c is locked by the spring force of the spring 36 so that it does not come out of the fixing hole 24, and the connector 14 is
- the hook 30 c is pulled out of the fixing hole 24 force by pulling out the connector 14 by applying a force larger than the contact pressure between the conductive pin 28 and the electrode pad 22 to the fixing pin 30. It is preferable to devise the hook part 30c of the fixing pin 30.
- the portion 30d of the hook portion 30c of the fixing pin 30 that engages the lower surface of the printed circuit board 12 is slightly rounded with respect to the plane parallel to the lower surface of the printed circuit board 12. Or, try to lean to force.
- FIG. 9 is a view showing another example of the fixing pin 30.
- the fixing pin 30 has a shape with a thin tip and a thick intermediate portion.
- the fixing pin 30 stops halfway, and friction between the fixing pin 30 and the fixing hole 24 occurs. It is supposed to occur.
- the fixing pin 30 is held immovably in the fixing hole 24 by a frictional force.
- the fixing pin 30 does not come out of the fixing hole 24 by the spring force of the spring 36 during use, and the fixing pin 30 is in contact between the conductive pin 28 and the electrode pad 22 when the connector 14 is removed from the printed circuit board 12.
- the fixing hole 24 can be removed.
- the fixing pin 30 and the fixing hole 24 act as a guide mechanism when the connector 14 is attached to the printed circuit board 12, realizes mechanical coupling between the connector 14 and the printed circuit board 12, and is electrically conductive. The electrical contact between the pin 28 and the electrode pad 22 is maintained.
- FIG. 10 is a view showing another example of the fixing pin 30 and the fixing hole 24.
- the fixing hole 24 is formed as a through hole for electrical connection. That is, the conductive film 38 is formed in the fixing hole 24, and the fixing pin 30 is made of a conductive material. Accordingly, the fixing pin 30 is electrically connected to the conductive film 38 in the fixing hole 24. In this way, the fixing pin 30 has the function of the fixing pin 30 and the function of the conductive pin 28 described above.
- FIG. 11 to FIG. 18 are diagrams showing examples of structures that restrict the mounting direction of the connector 14.
- FIG. 11 is a view showing another example of the arrangement of the plurality of electrode pads 22 and the plurality of fixing holes 24.
- the two fixing holes 24 are arranged symmetrically with each other in the second row.
- the two fixing holes 24 are arranged symmetrically with each other at both ends of the first row. Yes.
- the two fixing pins 30 are also arranged symmetrically at both ends of the first row.
- the two fixing holes 24 may be arranged at both ends of the third row, and a certain rod may be arranged at both ends of the first or third column in the vertical direction, and the arrangement of the two fixing pins 30 may be changed accordingly. !
- FIG. 12 is a view showing an example in which the shapes of the plurality of fixing holes 24 are changed.
- the size (diameter) of the two fixing holes 24 is changed with respect to each other.
- the size of the two fixing pins 30 can be changed to correspond to the size of these fixing holes 24.
- FIG. 13 is a diagram showing an example in which the shapes of the plurality of fixing holes 24 are changed.
- One fixing hole 24 is square, and the other fixing hole 24 is round.
- the force of the two fixing pins 30 can be changed to correspond to the shape of these fixing holes 24.
- FIG. 14 is a view showing an example in which the shapes of the plurality of fixing holes 24 are changed.
- the two fixing holes 24 are round and have different sizes.
- the shape of the two fixing pins 30 can be changed to each other.
- the shapes of the fixing holes 24 and the fixing pins 30 are not limited to circles or squares.
- FIG. 15 is a view showing another example of the arrangement of the electrode pads 22 and the fixing holes 24.
- one elliptical fixing hole 24 is arranged in the center.
- one fixing pin 30 is formed in an elliptical shape.
- FIG. 16 is a diagram showing an example in which the shape of the fixing hole 24 is changed.
- One triangular fixing hole 24 is arranged in the center.
- one fixing pin 30 is formed in a triangle.
- one fixing hole 24 is formed in a testicle shape, and in this case, the fixing pin 30 is formed in a bullet shape.
- the connector 14 can be fixed to the printed circuit board 12 as one fixing hole 24 and one fixing pin 30, and by changing the shape of the fixing hole 24 and the fixing pin 30, Incorrect insertion is prevented, and the conductive pin 28 comes into contact with the corresponding electrode pad 22 accurately.
- FIG. 18 shows the length, cross-sectional size and shape of the two fixing pins 301 and 302 on the connector 14 side. It is a figure which shows the example changed mutually.
- the length and cross-sectional size of one fixing pin 301 are made longer and smaller than the other fixing pin 302.
- the shape of the other fixing pin 302 is a tip-like structure similar to the shape shown in FIG. 8, and has a pair of substantially semicircular cross-sectional shapes that can be elastically deformed so as to be separated from each other. It consists of a longitudinal member 30a, a gap 30b is formed between them, and an arrowhead-like hook portion 30c is provided at the tip.
- one long and thin fixing pin 301 is inserted into the corresponding fixing hole 24a before the two fixing pins are inserted into the fixing hole at the same time, and this is used as a guide hole.
- the other short and thick fixing pin 302 is inserted into the corresponding fixing hole 24b.
- the hook portion 30c of the fixing pin 302 is engaged with the surface on the opposite side of the fixing hole 4b, so that the connector 14 is positioned and fixed to the printed circuit board 12.
- one long and thin fixing pin 301 that is easy to insert and the corresponding fixing hole 24a are used as a guide, and the other fixing pin 302 is inserted into the corresponding fixing hole 24b, so that the connector can be inserted and positioned. It can be done easily.
- Figure 19 shows in Figure 2: Standardized layout of electrode pads 22 for five signals TDI, TDO, TMS, TCK, TRST T and two ground (GND) electrode pads for feJTAG testing It is a specific example that is suitable for standardization.
- the test area of the printed circuit board for connecting the test connector is, for example, a square area of 5.00 mm x 5.00 mm, and the TCK electrode pad is arranged at the center position. With this as the center, a square with a side of 2.54 mm is defined, and TDI and TDO electrode pads are placed on both ends of one diagonal, and TMS and TRST electrode pads are placed on both ends of the other diagonal. Place. Two electrode pads for ground (GND) are placed at the center position of the first side of the square (first row) and at the center position of the third side (third row) opposite to the first side. Place. The diameter of these electrode pads 22 is 0.6 mm. By arranging the electrode pads 22 in this way, the wiring of the printed circuit board connected to the electrode pads 22 can be routed most effectively. Can be fit.
- the two fixing holes 24 are centered on a straight line (second line) between the first side (first line) and the third side (third line) of the above-mentioned square having a side of 2.54 mm. Forces are also arranged at equal intervals 1.50mm apart in opposite directions. The diameter of these fixing holes 24 is 1. OOmm.
- the electrode pads 22 and the fixing holes 24 are symmetrically in the vertical direction and the horizontal direction, which is suitable for standardization or unified standard.
- the size or arrangement of the conductive pins 28 and the fixing pins 30 on the connector 14 side is set according to the size and arrangement of the electrode pads 22 and the fixing holes 24 on the printed circuit board 12 side. .
- a connector having a conductive pin that functions as a probe, and a fixed pin that ensures contact between the conductive pin and the electrode pad and maintains mechanical coupling.
- an extra jig is not required to connect the printed circuit board and the test apparatus, and the development cost and manufacturing cost of such a jig are reduced. be able to.
- the connector can be autonomously coupled to the printed circuit board to achieve a reliable electrical connection. Therefore, when the connector is used connected to a test device, it is possible to test a printed circuit board (or a semiconductor element mounted on the printed circuit board) at a low cost.
- the printed circuit board only needs to have a fixing hole in addition to the test electrode pad, there is almost no cost increase. Since the fixing holes are arranged in one area together with the conductive pins, there is no need for an extra area, and there is flexibility in the arrangement of the conductive pins and electrode pads. In addition, by arranging the conductive pins, electrode pads, fixing pins, and fixing holes in a fixed arrangement, a combination that conforms to the standard for JTACT testing can be achieved.
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Measuring Leads Or Probes (AREA)
- Multi-Conductor Connections (AREA)
- Tests Of Electronic Circuits (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006531434A JP4522411B2 (ja) | 2004-07-28 | 2005-07-28 | コネクタ |
US11/657,463 US7425151B2 (en) | 2004-07-28 | 2007-01-25 | Connector, printed circuit board, connecting device connecting them, and method of testing electronic part, using them |
US12/222,553 US7628645B2 (en) | 2004-07-28 | 2008-08-12 | Connector, printed circuit board, connecting device connecting them, and method of testing electronic part, using them |
US12/588,822 US7914325B2 (en) | 2004-07-28 | 2009-10-29 | Connector, printed circuit board, connecting device connecting them, and method of testing electronic part, using them |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-219804 | 2004-07-28 | ||
JP2004219804 | 2004-07-28 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/657,463 Continuation US7425151B2 (en) | 2004-07-28 | 2007-01-25 | Connector, printed circuit board, connecting device connecting them, and method of testing electronic part, using them |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006018958A1 true WO2006018958A1 (ja) | 2006-02-23 |
Family
ID=35732930
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/013875 WO2006018958A1 (ja) | 2004-07-28 | 2005-07-28 | コネクタ、プリント回路板、これらの接続装置及びこれらを用いた電子部品の試験方法 |
Country Status (3)
Country | Link |
---|---|
US (4) | US7134909B2 (ja) |
JP (3) | JP4522411B2 (ja) |
WO (1) | WO2006018958A1 (ja) |
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JP2022179527A (ja) * | 2018-10-15 | 2022-12-02 | ケーエムダブリュ・インコーポレーテッド | キャビティフィルタ |
JP7430230B2 (ja) | 2018-10-15 | 2024-02-09 | ケーエムダブリュ・インコーポレーテッド | キャビティフィルタ |
Also Published As
Publication number | Publication date |
---|---|
US7914325B2 (en) | 2011-03-29 |
US7628645B2 (en) | 2009-12-08 |
US20100044097A1 (en) | 2010-02-25 |
JP4522411B2 (ja) | 2010-08-11 |
US20080316725A1 (en) | 2008-12-25 |
JP2009295592A (ja) | 2009-12-17 |
JP2009204619A (ja) | 2009-09-10 |
JPWO2006018958A1 (ja) | 2008-05-08 |
JP4768061B2 (ja) | 2011-09-07 |
US20060025013A1 (en) | 2006-02-02 |
US7425151B2 (en) | 2008-09-16 |
US20070123099A1 (en) | 2007-05-31 |
JP5212263B2 (ja) | 2013-06-19 |
US7134909B2 (en) | 2006-11-14 |
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