JP2007121040A - Electric inspection device of printed circuit board, inspection tool, and fixation confirmation method thereof - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an electric inspection device of a printed circuit board capable of miniaturizing the device, reducing its costs, and dispensing with adjustment work, and to provide an inspection tool and its fixation confirmation method. <P>SOLUTION: A probe block 23 is fixed to a block 24 for connection where a flexible substrate 32 is mounted, and an inspection tool 12 where wiring 14a for inspection whose tip section is composed of an inspection probe 14 is mounted is assembled to the probe block 23. Further, the block 24 for connection is provided with a wiring 36 for confirming the side of a fixation section, or the like, and the inspection tool 12 is provided with wiring 15 for confirming the side of the inspection tool, or the like and wires 18, 19 for connection. Then, when the inspection tool 12 is assembled to the probe block 23 in an appropriate state, the wiring 36 for confirming the side of the fixation section, or the like, the wiring 15 for confirming the side of the inspection tool, or the like, and the wire 18 for connection, or the like can be connected electrically. The wiring 36 for confirming the side of the fixation section, or the like comprises four wires provided at four corners on a lower surface 24c in the block 24 for connection. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an electrical inspection apparatus for a printed circuit board including a fixing portion having an inspection circuit and an inspection jig having an inspection probe, an inspection jig, and an inspection jig fixing confirmation method.

Conventionally, for example, a circuit of a printed circuit board having an electrode pattern is inspected based on the presence or absence of electrical continuity. In this case, a contact terminal of an electrical inspection device is brought into contact with an electrical contact provided on the printed circuit board. Inspection is performed (for example, Patent Document 1). In such an electrical inspection apparatus, a large number of contact terminals are attached to a movable inspection jig, and wiring is connected to each contact terminal. The other end of the wiring is connected to a measuring unit that is provided in a fixing unit on the apparatus main body side and measures a detection signal sent from the contact terminal. In such an electrical inspection apparatus, when the inspection jig is assembled to the fixed portion, it is necessary to position the inspection jig and the fixed portion at an accurate position. Whether or not the assembled state is appropriate is confirmed using a detection device such as a sensor.
JP 2004-219337 A

  However, the above-described conventional electrical inspection apparatus has a problem that the size of the fixing portion is increased because the detection device is attached to the fixing portion on the apparatus main body side, and a problem that the cost is increased because the detection device is provided. There is also a problem that an operation for adjusting the position of the detection device is required.

  The present invention has been made in order to address the above-described problems, and its purpose is to reduce the size and cost of the apparatus and eliminate the need for adjustment work. It is to provide a method for confirming fixture fixing.

  In order to achieve the above-described object, the structural characteristics of the electrical inspection apparatus for a printed circuit board according to the present invention include: a fixing portion having an assembled surface from which a terminal of an inspection circuit connected to the apparatus main body side is exposed; An inspection jig having an assembly surface that is assembled to the mounting surface with the base end portion of the inspection wiring composed of an inspection probe exposed and an inspection side surface that exposes the inspection probe is fixed. A printed circuit board electrical inspection apparatus that performs electrical inspection of a printed circuit board by connecting an inspection circuit and inspection wiring by assembling an inspection jig to the part, and contacting an inspection probe with a contact of the printed circuit board, A plurality of fixed part side confirmation wires formed by exposing both ends of the fixed part on a predetermined part of the assembled surface, an end part of a predetermined fixed part side confirmation line, and an end of another fixed part side wiring To correspond with the department A plurality of inspection jig side confirmation wirings that are one fewer than the fixed part side confirmation wirings formed by exposing both ends of the inspection jig assembly surface, and a plurality of inspection jig side assembly surfaces. A portion corresponding to the end portion of the fixing portion side confirmation wiring and a portion other than the end portion of the inspection jig side confirmation wiring is connected to an end portion of the predetermined inspection wiring of the inspection wiring. When connecting the inspection jig to the fixed part in an appropriate state, multiple fixed part side confirmation wirings, multiple inspection jig side confirmation wirings, and connection wirings are electrically connected. It is to be done.

  According to the electrical inspection apparatus for a printed circuit board of the present invention configured as described above, when the inspection jig is assembled in a proper state, a plurality of fixing portion side confirmation wirings and a plurality of inspection jig side confirmations are provided. The wiring and the connection wiring are electrically connected. For this reason, if the inspection jig is assembled to the fixed portion in an appropriate state, it can be confirmed by electrical conduction that the inspection jig is in an appropriate position and is in an appropriate conductive state. This eliminates the need for a detection device such as a sensor and eliminates the need for adjusting the detection device. Furthermore, since it is not necessary to provide a detection device, the fixed portion can be reduced in size.

  In addition, another structural feature of the printed circuit board electrical inspection apparatus according to the present invention is that the connection for conduction connects the terminal of the inspection circuit and the end of the inspection wiring between the fixed portion and the inspection jig. And a connecting member provided with a connection part for confirmation for connecting between each end part of the plurality of fixed part side confirmation wirings and each end part of the plurality of inspection jig side confirmation wirings. . According to this, even when a connecting member is provided between the fixed portion and the inspection jig, it can be confirmed whether or not the inspection jig is assembled in an appropriate state with respect to the fixed portion.

  Further, another structural feature of the printed circuit board electrical inspection apparatus according to the present invention is that a plurality of fixed part side confirmation wirings are configured with four wirings provided at four corners on the assembled surface of the fixed part. There is. According to this, since the reference positions for confirming the conduction state between the inspection jig and the fixed portion are the four corners of the fixed portion, whether the assembled state is appropriate over substantially the entire inspection jig and the fixed portion. It becomes possible to confirm whether or not the position is more accurate.

  The inspection jig fixing confirmation method according to the present invention is characterized in that the inspection circuit terminal connected to the apparatus main body side is exposed from the mounting surface of the fixing portion, and the mounting surface of the inspection jig is In addition to exposing the base end of the inspection wiring whose tip is composed of the inspection probe, the inspection probe is exposed on the inspection side of the inspection jig, and the inspection jig is assembled to the fixed part. Is a method for confirming fixing of an inspection jig in an electrical inspection of a printed circuit board performed by connecting an inspection wiring to a contact point of the printed circuit board and connecting the inspection probe to a contact point of the printed circuit board. A plurality of fixed part side confirmation wirings are formed with both ends exposed in the part, and between the ends of the different fixed part side confirmation wirings among the plurality of fixed part side confirmation wirings are placed on the inspection jig. Multiple inspection jigs that can be connected When the inspection jig is assembled to the fixed part in the proper state, a plurality of fixed part side confirmation wirings are formed. The plurality of inspection jig side confirmation wirings and connection wirings are electrically connected, and the fixing of the inspection jig is confirmed by this electrical connection.

  According to the inspection jig fixing confirmation method of the present invention configured as described above, it is possible to confirm whether or not the inspection jig is fixed to the fixing portion in an appropriate state only by assembling the inspection jig to the fixing portion. Yes. For this reason, it is possible to confirm the fixing of the inspection jig without providing a detection device such as a sensor.

  Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings. FIG. 1 shows a main part of an electrical inspection apparatus 10 for a printed circuit board according to the embodiment. This electrical inspection device 10 is an inspection device for inspecting whether or not an electrode pattern (not shown) provided on a printed circuit board 11 that is an inspection object is properly conducted or insulated. The electrical inspection apparatus 10 is attached to an installation device (not shown) for installing the printed circuit board 11 and a moving device (not shown), and moves along the surface of the printed circuit board 11 by driving the moving device. An inspection jig 12, an inspection apparatus body 13 including a control device for controlling each device included in the electrical inspection apparatus 10, and a connection structure 20 that connects the inspection apparatus body 13 and the inspection jig 12. ing.

  In addition, the surface of the printed board 11 is provided with an electrode pattern and a plurality of electrical contacts 11a conducting to the electrode pattern. The printed board 11 has four corners in a tensioned and flat state. Is fixed to a predetermined installation position of the installation apparatus. Then, the inspection jig 12 is driven by a moving device so that the left and right directions, the front-rear direction, the direction orthogonal to the upper and lower surfaces of the printed circuit board 11 and the predetermined axis orthogonal to the upper and lower surfaces of the printed circuit board 11 are driven. It is movable or rotatable in the direction around the axis.

  The inspection jig 12 is formed in a rectangular shape. As shown in FIGS. 2 and 3, a plurality of inspection probes 14 are attached to the lower portion of the inspection jig 12 at intervals. The upper part is connected to the inspection wiring 14a penetrating the inspection jig 12 in the vertical direction or is formed integrally with the inspection wiring 14a. And the upper end part of the test | inspection wiring 14a is arrange | positioned with the space | interval at the upper surface 12a of the test | inspection jig 12 as the electrode part 14b. The upper surface 12a of the inspection jig 12 constitutes the assembly surface of the present invention.

The inspection probe 14 is formed in a thin needle shape, and the lower end portion of each inspection probe 14 slightly protrudes downward from the lower surface 12 b of the inspection jig 12. The inspection probe 14 comes into contact with the electrical contact 11 a of the printed board 11 by the movement of the inspection jig 12. The lower surface 12b of the inspection jig 12 constitutes the inspection side surface of the present invention. When the inspection probe 14 comes into contact with the electrical contact 11a, the inspection probe 14 is energized, and it is determined whether or not the electrode pattern of the printed circuit board 11 is properly conducted depending on the electric resistance value. . In this case, the detection signal is transmitted from the inspection probe 14 to the inspection apparatus body 13 via the electrode portion 14 b and the connection structure 20.

  Further, an inspection determination threshold value is set in advance based on the electrical resistance value of the non-defective printed circuit board 11, and the quality of the inspected printed circuit board 11 is determined based on the ratio of the detected electrical resistance value to the inspection determination threshold value. Is called. At this time, when the electrical inspection is a continuity inspection, if the detected electrical resistance value is equal to or smaller than a predetermined ratio with respect to the inspection determination threshold value, it is determined as a non-defective product, and if it is equal to or higher than the predetermined ratio, it is determined as a defective product. Further, when the electrical inspection is an insulation inspection, if the detected electrical resistance value is equal to or greater than a predetermined ratio with respect to the inspection determination threshold, it is determined as a non-defective product, and if it is equal to or less than the predetermined ratio, it is determined as a defective product.

  Moreover, the electrode part 14b provided in the upper surface 12a of the test | inspection jig | tool 12 is divided | segmented and arrange | positioned for every predetermined number of groups, as shown in FIG. FIG. 3 schematically shows a state in which the inspection jig 12 and the connection structure 20 are disassembled, and the details are different from those in other drawings. Further, in the state along the inner edge of the inspection jig 12 in the state of FIG. 3 and on both the left and right edges, both ends are exposed at the four corners of the upper surface 12a of the inspection jig 12 for confirmation on the inspection jig side. Wirings 15, 16, and 17 are provided.

That is, the end portions 15a and 15b of the inspection jig side confirmation wiring 15 are exposed at the left and right side portions of the row of electrode portions 14b extending to the left and right in FIG. The end portions 16a and 16b of the inspection jig-side confirmation wiring 16 are formed by the second electrode portion 14b from the back and the second electrode portion 14b from the front in the row of the electrode portions 14b extending forward and backward on the left side in FIG. The end portions 17a and 17b of the inspection jig side confirmation wiring 17 are exposed to the left side portion, and the second electrode portion 14b from the back of the row of electrode portions 14b extending forward and rearward on the right side in FIG. It is exposed at the right side portion of the electrode portion 14b.

In addition, one end of each portion along the front edge of the inspection jig 12 is exposed at the front corner of the upper surface 12a of the inspection jig 12, and the other end is a predetermined electrode portion 14b. Connection wirings 18 and 19 connected to are provided. That is, one end portion 18a of the connection wiring 18 is exposed to the left side portion of the row of the electrode portions 14b extending to the left and right of the front side, and the other end portion 18b is the electrode portion 14b located on the front left side in FIG. It is connected to the electrode part 14b at the right end of the front row of the group. Then, one end 19a of the connection wiring 19 is exposed at the right side of the row of electrode portions 14b extending to the left and right of the front side, and the other end 19b is connected to the other end of the connection wiring 18. The electrode portion 14b is connected to the electrode portion 14b on the back side.

  The inspection jig 12 configured as described above is attached to the head portion 21 shown in FIG. 2 in a detachable state. The head portion 21 constitutes a part of the connection structure 20, and includes an attachment portion 22 to which the inspection jig 12 is attached, a probe block 23 as a connection member of the present invention, and a connection as a fixing portion of the present invention. And a block 24 for use. And the attachment part 22 is comprised by the left-right symmetric side frame part 22a, 22b arrange | positioned facing in the state which maintained the space | interval. The inspection jig 12 can be attached to the attachment portion 22 by being pushed between the side frame portions 22a and 22b.

  The probe block 23 is attached in a state where a large number of electrical contacts 25 as connection parts for conduction of the present invention and eight electrical contacts 26 as connection parts for confirmation of the present invention are maintained at a predetermined interval. It is composed of block bodies. The electric contacts 25 and 26 are provided in the receiving recesses in a state where the receiving recesses are formed at both end portions and the rod-like main bodies 25a and 26a are movable from both ends of the main bodies 25a and 26a via spring members. It consists of rod-shaped contact portions 25b and 25c and contact portions 26b and 26c.

The probe block 23 holds the plurality of electric contacts 25 and 26 thus configured with the contact portions 25b and 26b protruding from the lower surface and the contact portions 25c and 26c protruding from the upper surface. Further, the electrical contacts 25 are arranged in the same array as the electrode portions 14b so as to be able to contact the electrode portions 14b of the inspection jig 12. The electric contact 26 includes end portions 15 a and 15 b of the inspection jig side confirmation wiring 15, end portions 16 a and 16 b of the inspection jig side confirmation wiring 16, and end portion 17 a of the inspection jig side confirmation wiring 17. , 17b, the end 18a of the connection wiring 18 and the end 19a of the connection wiring 19 are arranged in the same arrangement as each end so as to be in contact with each other.

  The mounting portion 22 is provided with an air cylinder (not shown), and the mounting portion 22 moves forward and backward with respect to the probe block 23 by driving the air cylinder. When the attachment portion 22 is located below, the state shown in FIG. 4 is obtained, and when the attachment portion 22 is located above, the state shown in FIG. 2 is obtained. When the mounting portion 22 is positioned above, the electrode portion 14b of the inspection jig 12 contacts the electric contact 25 of the probe block 23, and the end portions 15a, 15b, 16a, 16b, 17 a, 17 b, 18 a, 19 a are in contact with the electric contact 26 of the probe block 23. In addition, as shown in FIG. 5, a plurality of screw insertion holes 27 are provided at predetermined intervals on both sides of the probe block 23.

  The connection block 24 includes a lower plate 24a and an upper plate 24b. And the lower board 24a is comprised by the plate body in which the some slit 28 penetrated up and down was formed. The slits 28 are provided in the same arrangement with the same spacing as the electrode portions 14b and the end portions 15a formed on the upper surface 12a of the inspection jig 12. A plurality of screw holes 29 are provided at intervals on both sides of the lower plate 24a.

  The upper plate 24b is configured by a plate body that is substantially the same shape as the outer shape of the lower plate 24a in plan view, and when the upper plate 24b is superimposed on the upper surface of the lower plate 24a, a portion facing the slit 28 on the lower surface becomes a space portion. A recess 31 for insertion is formed in the. In the insertion recess 31, one of the lower plate 24a and the upper plate 24b in an overlapped state (the right side in FIG. 5) is opened, and the other part is closed. One end portions of a plurality of flexible boards 32 having the same structure are inserted through the insertion recesses 31 and the slits 28 and are fixed to the lower surface 24 c of the connection block 24. The lower surface 24c constitutes the assembled surface of the present invention.

  The probe block 23 is fixed to the lower surface 24 c of the connection block 24 via bolts 33. The bolt 33 passes through the screw insertion hole 27 of the probe block 23 and engages with the screw hole 29 of the lower plate 24 a, thereby fixing the probe block 23 to the connection block 24. At that time, a spacer 34 is attached between the connection block 24 and the probe block 23. A hole is formed in the center of the spacer 34, and the bolt 33 is inserted through the hole.

  The flexible substrate 32 includes a pad portion 32 a attached to the connection block 24, a strip-like wiring portion 32 b, and a land portion (not shown) connected to the inspection apparatus main body 13. And the electrical contact 35 arrange | positioned in the same arrangement | sequence as one group of the electrode part 14b of the test | inspection jig | tool 12 is formed in the surface of the pad part 32a, respectively. The electrical contact 35 constitutes a terminal portion of each wiring constituting the inspection circuit of the present invention provided in the wiring portion 32b.

In addition, at the corners on the outer side of the four flexible boards 32 located at the four corners of the connection block 24 of the flexible board 32, the fixed part side check wirings 36, 37, 38 having a short length extending in the front-rear direction, respectively. , 39 are provided with both end portions exposed on the surface. The end portions 36 a and 36 b of the fixing portion side confirmation wiring 36 correspond to the end portion 15 a of the inspection jig side confirmation wiring 15 of the inspection jig 12 and the end portion 16 a of the inspection jig side confirmation wiring 16 and are fixed. The end portions 37 a and 37 b of the portion side confirmation wiring 37 are exposed at positions corresponding to the end portion 16 b of the inspection jig side confirmation wiring 16 and the end portion 18 a of the connection wiring 18. Further, the end portions 38 a and 38 b of the fixing portion side confirmation wiring 38 correspond to the end portion 17 b of the inspection jig side confirmation wiring 17 and the end portion 19 a of the connection wiring 19 and correspond to the fixing portion side confirmation wiring 39. The end portions 39 a and 39 b are exposed at positions corresponding to the end portion 15 b of the inspection jig side confirmation wiring 15 and the end portion 17 a of the inspection jig side confirmation wiring 17.

  The pad portion 32 a of the flexible substrate 32 configured as described above is fixed in a state of being sandwiched between the probe block 23 and the connection block 24. Further, a connector 41 is attached to the surface of the land portion, and the flexible substrate 32 is connected to the inspection apparatus main body 13 via the connector 41. The inspection apparatus main body 13 includes a measuring unit including a circuit that measures a detection signal transmitted from the inspection probe 14, and various devices such as a control device. The measurement unit outputs an inspection signal to the inspection probe 14 via the connection structure 20 including the flexible substrate 32 and the like, and inputs a detection signal that returns after passing through the printed circuit board 11 via the inspection probe 14.

  The control device includes a CPU, a ROM, and a RAM, and various programs such as a program for operating the installation device and the moving device are stored in the ROM. The RAM stores various data necessary for electrical inspection such as the detection signal described above in a rewritable manner. The CPU controls the electrical inspection device 10 based on various programs and data stored in the ROM and RAM, and determines the inspection result from the measurement result measured by the measurement unit. The electrical inspection apparatus 10 also includes an operation panel for an operator to perform each operation and a display panel for displaying inspection results.

  In this configuration, when conducting the continuity test of the printed circuit board 11 using the electrical inspection apparatus 10, first, the pad portion 32 a of the predetermined flexible substrate 32 is attached to the connection block 24 and the probe block is attached to the connection block 24. 23 is attached and the pad part 32a of the flexible substrate 32 is fixed. Next, the land portion of the flexible substrate 32 is connected to the inspection apparatus main body 13 via the connector 41. Next, the inspection jig 12 is inserted and attached to the attachment portion 22 of the head portion 21.

  At this time, if the inspection jig 12 is in an appropriate state and assembled to the probe block 23, the fixed portion side confirmation wirings 36, 37, 38, 39, the electric contact 26, the inspection jig side confirmation wiring 15, 16 and 17 and connection wirings 18 and 19 communicate with each other, and a circuit connected to the inspection apparatus main body 13 is formed via electrode portions 18b and 19b connected to the connection wirings 18 and 19. For this reason, if the resistance value measured by the measuring unit of the inspection apparatus main body 13 is equal to or less than a predetermined value, the circuit is in an appropriate state, and the inspection jig 12 is connected to the probe block 23 and the connection block 24. It can be confirmed that it is positioned at the correct position. Then, when the fixing of the inspection jig 12 is confirmed, the printed circuit board 11 is installed in the installation device.

  Next, the head unit 21 is moved by driving the moving device, and the inspection jig 12 is moved above a predetermined electrical contact 11 a of the printed board 11. Next, the inspection jig 12 is lowered together with the head portion 21, and the inspection probe 14 is brought into contact with the electrical contact 11a. In this state, an electrical inspection of the electrode pattern of the printed circuit board 11 is performed. Further, when an electrical inspection of the next inspection portion on the printed circuit board 11 is performed, the head unit 21 is raised and moved to the next inspection position by driving each moving device again. Then, the inspection jig 12 is lowered and an electrical inspection of the portion is performed. Then, all the electrical contacts 11a on the printed board 11 are inspected by sequentially repeating the above-described operations.

  Thus, in the electrical inspection apparatus 10 according to the present embodiment, when the inspection jig 12 is assembled in an appropriate state to the probe block 23 fixed to the connection block 24, the fixed portion side confirmation wirings 36, 37, 38, 39, inspection jig side confirmation wirings 15, 16, 17 and connection wirings 18, 19 are electrically connected. For this reason, it can be confirmed that the inspection jig 12 is in an appropriate position and is in an appropriate conduction state without using a detection device such as a sensor or a switch, depending on the presence or absence of electrical conduction. Further, since the fixing portion side confirmation wirings 36, 37, 38, 39 are provided at the four corners on the lower surface 24c of the connection block 24, the positions for confirming the conduction state between the inspection jig 12 and the connection block 24 can be determined. Since it covers substantially the entire area including the four corners of the connection block 24, it is possible to check the position with higher accuracy.

  Moreover, the electrical inspection apparatus 10 according to the present invention is not limited to the above-described embodiment, and can be implemented with appropriate modifications. For example, although the probe block 23 is provided in the above-described embodiment, the probe block 23 may be omitted and the inspection jig 12 may be assembled to the connection block 24. In addition to providing the probe block 23, another connecting member can be provided. Furthermore, the installation position, length, number, and the like of the fixing portion side confirmation wiring, the inspection jig side confirmation wiring, and the connection wiring can be appropriately changed. Moreover, it can change suitably also about the structure of the other part which comprises the electrical inspection apparatus 10. FIG.

It is the schematic block diagram which showed the principal part of the electrical inspection apparatus which concerns on one Embodiment of this invention. It is a partially cutaway sectional view showing a state where an inspection jig is attached to the head part. It is the disassembled perspective view which showed the outline of the principal part of an electrical inspection apparatus. It is a partially cutaway sectional view showing a state where an electrode part of an inspection jig and an electric contact of a head part are brought into contact with each other. It is sectional drawing which showed the state which assembled | attached the block for connection and the probe block.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 ... Electrical inspection apparatus, 11 ... Printed circuit board, 11a ... Electrical contact, 12 ... Inspection jig, 12a ... Upper surface, 12b, 24c ... Lower surface, 13 ... Inspection apparatus main body, 14 ... Inspection probe, 14a ... Inspection wiring, 14b ... electrode part, 15, 16, 17 ... inspection jig side confirmation wiring, 15a, 15b, 16a, 16b, 17a, 17b, 18a, 18b, 19a, 19b, 36a, 36b, 37a, 37b, 38a, 38b 39a, 39b ... end, 18, 19 ... connection wiring, 23 ... probe block, 24 ... connection block, 25, 26 ... electrical contact, 32 ... flexible substrate, 32a ... pad part, 32b ... wiring part, 35... Electrical contacts, 36, 37, 38, 39... Fixed portion side confirmation wiring.

Claims (5)

The above-mentioned attachment in a state where the fixed portion having the assembled surface that exposes the terminal of the inspection circuit connected to the apparatus main body side and the base end portion of the inspection wiring composed of the inspection probe at the front end portion are exposed. An inspection jig having an assembly surface to be assembled to a surface and an inspection side surface on which the inspection probe is exposed, and connecting the inspection circuit and the inspection wiring by assembling the inspection jig to the fixed portion; An electrical inspection device for a printed circuit board that performs electrical inspection of the printed circuit board by bringing the inspection probe into contact with a contact of the printed circuit board,
A plurality of fixing portion side confirmation wires formed by exposing both end portions to a predetermined portion of the fixed portion to be assembled; and
The fixed portion side formed by exposing both ends of the assembly surface of the inspection jig so as to correspond to the end portion of the predetermined fixing portion side confirmation wiring and the other fixed portion side wiring. Multiple inspection jig side confirmation wirings, one less than the confirmation wiring,
Of the portion corresponding to the end portions of the plurality of fixed portion side confirmation wirings on the assembly surface of the inspection jig, a portion other than the end portion of the inspection jig side confirmation wiring and a predetermined portion of the inspection wiring Two connection wirings for connecting the end portions of the inspection wiring, respectively,
When the inspection jig is assembled to the fixing portion in an appropriate state, the plurality of fixing portion side confirmation wirings, the plurality of inspection jig side confirmation wirings, and the connection wiring are electrically connected. An electrical inspection device for printed circuit boards.   Between the fixed part and the inspection jig, a connection part for connection for connecting a terminal of the inspection circuit and an end part of the inspection wiring, and each end part of the plurality of fixing part side confirmation wirings, The printed circuit board electrical inspection apparatus according to claim 1, further comprising a connection member provided with a connection portion for confirmation that connects each end portion of the plurality of inspection jig side confirmation wires.   The printed circuit board electrical inspection device according to claim 1, wherein the plurality of fixing portion side confirmation wirings are configured by four wirings provided at four corners on an assembled surface of the fixing portion.   It is an inspection jig with which the electrical inspection apparatus of the printed circuit board as described in any one of Claim 1 thru | or 3 is exposed, and the said fixed part side confirmation formed by exposing both ends to the said assembly surface A plurality of inspection jig side confirmation wirings one less than the wiring, a portion corresponding to two predetermined ends of the fixed portion side confirmation wirings on the assembly surface, and a predetermined one of the inspection wirings An inspection jig comprising two connection wirings for connecting the end portions of the inspection wiring. The terminal of the inspection circuit connected to the main body of the device is exposed from the assembly surface of the fixed part, and the base end of the inspection wiring whose tip is composed of an inspection probe is attached to the assembly surface of the inspection jig. The inspection probe is exposed on the inspection side surface of the inspection jig, and the inspection circuit and the inspection wiring are connected by assembling the inspection jig to the fixed portion, and the inspection probe is printed A method for confirming fixing of an inspection jig in an electrical inspection of a printed circuit board performed by contacting a contact of a substrate,
A plurality of fixing portion side confirmation wirings are formed on the fixing portion in a state where both end portions are exposed at a predetermined portion of the assembled surface,
In the inspection jig, a plurality of inspection jig side confirmation wirings that can connect between ends of different fixed part side confirmation wirings among the plurality of fixed part side confirmation wirings are formed, and the inspection jig Forming a connection wiring for connecting the side confirmation wiring and the inspection wiring;
When the inspection jig is assembled to the fixing portion in an appropriate state, the plurality of fixing portion side confirmation wirings, the plurality of inspection jig side confirmation wirings, and the connection wiring are electrically connected. A method for confirming fixing of an inspection jig, wherein the fixing of the inspection jig is confirmed by electrical connection.

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