KR100944070B1 - Electric inspection apparatus for printed circuit board, inspection jig, and method for confirming placement of inspection jig - Google Patents

Abstract

It is to provide an electric inspection device, an inspection jig, and an inspection jig fixing method for a printed circuit board, which can be miniaturized and reduced in cost, and at the same time that adjustment work is unnecessary.

The probe block 23 is fixed to the connection block 24 with the flexible substrate 32 attached thereto, and the test wiring 14a having the tip portion of the test probe 14 attached to the probe block 23 is attached thereto. Attached inspection jig 12 was attached. In addition, the fixing part side confirmation wiring 36 etc. were provided in the connection block 24, and the inspection jig side confirmation wiring 15 etc. and the connection wirings 18 and 19 were provided in the inspection jig 12. As shown in FIG. . When the inspection jig 12 is attached to the probe block 23 in an appropriate state, the inspection jig side confirmation wiring 15, the connection wire 18, etc. It was to be electrically connected. In addition, the fixed part side confirmation wiring 36 was comprised from four wirings provided in the four corners of the lower surface 24c of the connection block 24. As shown in FIG.

Description

ELECTRIC INSPECTION APPARATUS FOR PRINTED CIRCUIT BOARD, INSPECTION JIG, AND METHOD FOR CONFIRMING PLACEMENT OF INSPECTION JIG}

BRIEF DESCRIPTION OF THE DRAWINGS It is a schematic block diagram which shows the principal part of the electrical inspection apparatus which concerns on one Embodiment of this invention.

2 is a partially cutaway sectional view showing a state in which an inspection jig is attached to a head part.

3 is an exploded perspective view showing an outline of main parts of the electrical inspection apparatus.

4 is a partially cutaway sectional view showing a state in which an electrical contact of the electrode portion of the inspection jig and the head portion is brought into contact with each other.

5 is a cross-sectional view illustrating a state in which a connection block and a probe block are attached.

<Description of the symbols for the main parts of the drawings>

10: electrical inspection device, 11: printed circuit board,

11a... Electrical contacts, 12: inspection jig,

12a: upper surface, 12b, 24c: lower surface,

13: inspection device body, 14: inspection probe,

14a: inspection wiring, 14b: electrode portion,

15, 16, 17: check 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 contactor,

32: flexible substrate, 32a: pad portion,

32b: wiring section, 35: electrical contact,

36, 37, 38, 39: Confirmation wiring on the fixed part side.

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric inspection device for a printed board, an inspection jig, and a method for fixing and fixing an inspection jig having a fixing portion having an inspection circuit and an inspection jig having an inspection probe.

Conventionally, for example, inspection of the line of the printed circuit board which has an electrode pattern by the presence or absence of electrical conduction is performed, and in this case, an inspection is made by contacting the contact terminal of an electrical inspection apparatus with the electrical contact provided in the printed circuit board. (For example, patent document 1). In such an electrical inspection apparatus, many contact terminals are attached to the movable inspection jig, and the wiring is connected to each contact terminal. The other end of the wiring is connected to a measurement unit that is provided in the fixed portion on the apparatus main body side and measures the detection signal sent from the contact terminal. In addition, in such an electrical inspection apparatus, when attaching the inspection jig to the fixed portion, it is necessary to position the inspection jig and the fixed portion at the correct position. Confirmation is performed using detection apparatuses, such as a sensor.

[Patent Document 1] Japanese Unexamined Patent Publication No. 2004-219337

However, in the above-described conventional electrical inspection apparatus, there is a problem that the size of the fixing portion becomes large for attaching the detection apparatus to the fixing portion on the apparatus main body side, or that the cost is high for installing the detection apparatus. Moreover, there also exists a problem that the operation | work for adjusting the position of a detection apparatus becomes necessary.

SUMMARY OF THE INVENTION The present invention has been made to address the above-described problems, and its object is to reduce the size and cost of the apparatus, and to fix the electric inspection apparatus, inspection jig, and inspection jig of the printed circuit board, which require no adjustment work. To provide.

In order to achieve the above object, a structural feature of the electrical inspection apparatus for a printed circuit board according to the present invention includes a fixed portion having a mounting surface exposed by a terminal of an inspection circuit connected to the apparatus main body side, and a distal end portion for inspection. An inspection jig having an inspection surface having a mounting surface mounted on the skin attachment surface and an inspection side exposed by the inspection probe with the proximal end of the inspection wiring composed of the probe exposed; An electrical inspection apparatus of a printed circuit board which performs inspection of the printed circuit board by connecting the inspection wiring and bringing the inspection probe into contact with the contacts of the printed circuit board, wherein the end surface is formed by exposing both ends to a predetermined portion of the surface to be mounted. The inspection is performed so as to correspond to the end portions of the plurality of fixing portion side confirmation wirings and predetermined end portions of the fixed portion side confirmation wirings and other fixing portion side wirings. Among the portions corresponding to the end portions of the plurality of inspection jig side confirmation wirings and the plurality of fixing part side confirmation wirings on the mounting surface of the inspection jig, which are one less than the fixing part side confirmation wiring formed by exposing both ends to the mounting surface of the yarn jig. When the inspection jig side is equipped with two connection wirings which respectively connect parts other than the end of the inspection wiring and the end of the predetermined inspection wiring in the inspection wiring, and when the inspection jig is attached to the fixed part in an appropriate state, The fixed part side confirmation wiring, the some test jig side confirmation wiring, and the connection wiring are electrically connected, and the edge part of the said connection wiring is connected to the terminal of the said test circuit.

According to the electrical inspection apparatus of the printed circuit board of the present invention configured as described above, when the inspection jig is properly mounted on the fixing portion, the plurality of fixing portion side confirmation wirings, the plurality of inspection jig side confirmation wirings, and the connection wiring Is electrically connected. For this reason, when the test jig is attached to the fixed part in an appropriate state, it can be confirmed that the test jig is in the proper position and is in the proper conduction state by electrical conduction. For this reason, the detection apparatus, such as a sensor, becomes unnecessary and the adjustment work of a detection apparatus becomes unnecessary. In addition, since the detection device does not have to be provided, the fixing part can be miniaturized.

Moreover, the other structural characteristic of the electrical inspection apparatus of the printed circuit board which concerns on this invention is the conduction connection part which connects the terminal of an inspection circuit and the edge of an inspection wiring between a fixed part and an inspection jig, and the some fixed part side confirmation The connection member provided with the confirmation connection part which connects between each edge part of wiring and each edge part of several inspection jig side confirmation wiring is provided. According to this, even when a connection member is provided between the fixed part and the inspection jig, it is possible to confirm whether or not the inspection jig is mounted in a proper state with respect to the fixed part.

Moreover, the other structural characteristic of the electrical inspection apparatus of the printed circuit board which concerns on this invention consists of four wirings provided in the four corners in the mounting surface of the fixed part of several fixed part side confirmation wiring. According to this, since the reference position for confirming the conduction state of a test jig and a fixed part becomes four corners of a fixed part, it can confirm whether the mounting state is appropriate over approximately the whole of a test jig and a fixed part. Thus, it is possible to confirm the position with higher accuracy.

Moreover, the structural feature of the fixing confirmation method of the test jig which concerns on this invention exposes the terminal of the test circuit connected to the apparatus main body side from the mounting surface of a fixed part, and the front-end | tip is a probe for test | inspection on the mounting surface of a test jig. By exposing the proximal end of the inspection wiring consisting of the same, exposing the inspection probe to the inspection side of the inspection jig, and attaching the inspection jig to the fixed portion, the inspection circuit and the inspection wiring are connected, and the inspection probe is connected to the printed board. A method for confirming the inspection jig in the electrical inspection of a printed circuit board which is made by contacting a contact with a contact, wherein a plurality of fixing part side confirmation wirings are formed in a state in which both ends are exposed at a predetermined portion on the surface to be fixed, A plurality of which can be connected to the inspection jig between the ends of the different fixing unit side confirmation wiring in the plurality of fixing unit side confirmation wiring Four jig side confirmation wirings are formed, and a connection jig for connecting the inspection jig side confirmation wirings and the inspection wires is formed, and when the inspection jig is mounted in a fixed state, The wiring, the plurality of inspection jig side confirmation wirings, and the connection wiring are electrically connected, and the end of the connection wiring is connected to the terminal of the inspection circuit, and the fixing of the inspection jig is confirmed by this electrical connection. have.

According to the fixing confirmation method of the inspection jig of this invention comprised as mentioned above, only by attaching an inspection jig to a fixed part, it can confirm whether an inspection jig is fixed to a fixed part in a suitable state. For this reason, fixing of a test jig can be confirmed especially without providing detection apparatuses, such as a sensor.

EMBODIMENT OF THE INVENTION Hereinafter, one Embodiment of this invention is described in detail using drawing. 1 shows the main part of an electrical inspection device 10 of a printed board according to this embodiment. This electrical inspection apparatus 10 is an inspection apparatus for inspecting whether the electrode pattern (not shown) provided in the printed circuit board 11 which is an inspection object is conducting or insulating suitably. The electrical inspection device 10 is attached to an installation device (not shown) for installing the printed board 11 and a moving device (not shown) to drive the moving device. The inspection apparatus main body 13 including the inspection jig 12 which moves along the surface, the control apparatus for controlling each apparatus with which the electrical inspection apparatus 10 is equipped, the inspection apparatus main body 13, and the inspection jig ( It consists of the connection structure 20 which connects 12).

In addition, an electrode pattern and a plurality of electrical contacts 11a conducting to the electrode pattern are provided on the surface of the printed board 11, and the printed board 11 is stretched in a planar shape by applying tension. The corner is gripped and fixed to a predetermined mounting position of the mounting apparatus. Then, the inspection jig 12 is driven to the left and right direction, the front and rear direction in the upper surface of the printed board 11, the direction orthogonal to the upper and lower surfaces of the printed board 11, and the upper and lower surfaces of the printed board 11 by driving the moving device. It is movable or rotatable in the direction around the axis of the predetermined axis orthogonal, respectively.

The inspection jig 12 is formed in a rectangle, and 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, and the inspection probe ( The upper part of 14 is connected to the inspection wiring 14a which penetrates the inspection jig 12 up and down, or is integrally formed with the inspection wiring 14a. And the upper end part of the test wiring 14a is arrange | positioned on the upper surface 12a of the test jig 12 as the electrode part 14b, maintaining the space | interval. The upper surface 12a of the inspection jig 12 constitutes the mounting surface of the present invention.

Moreover, the test probe 14 is formed in the shape of a thin needle, and the lower end part of each test probe 14 projects slightly downward from the lower surface 12b of the test jig 12. The inspection probe 14 contacts the electrical contact 11a of the printed board 11 by the movement of the inspection jig 12. On the other hand, the lower surface 12b of the inspection jig 12 constitutes the inspection side of the present invention. And when the test probe 14 contacts the electrical contact 11a, between each test probe 14 is energized, and is the electrode pattern of the printed circuit board 11 conducting appropriately according to the magnitude of the electric resistance value? It is determined whether or not. In this case, the detection signal is transmitted from the inspection probe 14 to the inspection apparatus main body 13 through the electrode portion 14b and the connection structure 20.

Moreover, the inspection determination threshold value is set previously based on the electrical resistance value of the good quality printed circuit board 11, and both parts of the printed circuit board 11 which test | inspected by the ratio with respect to the inspection determination threshold value of the detected electrical resistance value are carried out. Is determined. At this time, when the electrical inspection is a conduction inspection, it is determined that the detected electrical resistance value is good quality if it is less than or equal to a predetermined ratio with respect to the inspection determination threshold value, and when it is more than or equal to a predetermined ratio, it is determined that it is defective. In addition, when the electrical inspection is an insulation inspection, it is determined that the detected electrical resistance value is a good product if it is equal to or more than a predetermined ratio with respect to the inspection determination threshold value, and when it is below a predetermined ratio, it is determined that it is defective.

Moreover, the electrode part 14b provided in the upper surface 12a of the test jig 12 is divided | segmented and arrange | positioned for every predetermined number of groups as shown in FIG. 3 shows the state which disassembled the inspection jig 12 and the connection structure 20 typically, and the detail differs from another figure. In addition, in the part along each edge part of the inner side and left and right sides of the inspection jig 12 in the state of FIG. 3, the inspection jig side confirmation which both ends exposed to four corners of the upper surface 12a of the inspection jig 12, respectively. The wirings 15, 16, and 17 are provided.

That is, the edge parts 15a and 15b of the inspection jig side confirmation wiring 15 are exposed to the left and right both sides of the column of the electrode part 14b extended to the left and right of the inner side in FIG. The end portions 16a and 16b of the inspection jig side confirmation wiring 16 are the second 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 exposed to the left portion of the electrode portion 14b are second in the row of the electrode portions 14b extending back and forth on the right side in FIG. 3. It is exposed to the right part of the electrode part 14b and the electrode part 14b which is 2nd from the front.

In addition, one end part is exposed to each part of the front side of the upper surface 12a of the test jig 12, and the other end part is predetermined electrode part 14b in the part along the front edge part of the test jig 12, respectively. Is connected to the wirings 18 and 19, respectively. That is, one end 18a of the connection wiring 18 is exposed to the left portion of the row of the electrode portions 14b extending left and right, and the other end 18b is immediately shown in FIG. 3. It is connected to the electrode part 14b of the heat transfer right end of the group of the electrode part 14b located in front left. One end portion 19a of the connection wiring 19 is exposed to the right side portion of the row of the electrode portions 14b extending left and right, and the other end portion 19b is connected to the connection wiring ( The other end of 18) is connected to an electrode portion 14b on one inner side of the connected electrode portion 14b.

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. The attachment portion 22 to which the inspection jig 12 is attached, the probe block 23 as the connection member of the present invention, and the present invention It is comprised by the block 24 for connection as a fixed part. And the attachment part 22 is comprised from the left-right symmetrical side edge part 22a, 22b arrange | positioned facing the state which kept the space | interval. The inspection jig 12 can be attached to the attachment part 22 by pushing in between the side edge parts 22a and 22b.

The probe block 23 is a block body attached therein with a plurality of electrical contacts 25 serving as a conductive connection part of the present invention and eight electrical contacts 26 serving as a confirming connection part of the present invention at a predetermined interval. Consists of. The electrical contacts 25 and 26 are rod-shaped main bodies 25a and 26a formed with receiving recesses at both ends thereof, and rod-shaped portions provided in the receiving recesses in a state capable of moving back and forth from both ends of the main bodies 25a and 26a through spring members. It consists of the contact part 25b, 25c and the contact part 26b, 26c.

The probe block 23 keeps the electrical contacts 25 and 26 configured as described above protruding from the lower surface of the contact portions 25b and 26b and protruding the contact portions 25c and 26c from the upper surface. In addition, the electrical contacts 25 are arranged in the same arrangement as the electrode portions 14b so as to be in contact with the electrode portions 14b of the inspection jig 12. The electrical contact 26 includes end portions 15a and 15b of the inspection jig side confirmation wiring 15, end portions 16a and 16b of the inspection jig side confirmation wiring 16 and inspection jig side confirmation wiring 17. The ends 17a, 17b of (), the end 18a of the connection wiring 18, and the end 19a of the connection wiring 19 are arrange | positioned in the same arrangement as each end.

On the other hand, the attachment part 22 is provided with the air cylinder (not shown), and the attachment part 22 advances with respect to the probe block 23 by the drive of an air cylinder. When the attachment part 22 is located below, it will be in the state shown in FIG. 4, and when the attachment part 22 is located above, it will be in the state shown in FIG. And when the attachment part 22 is located upwards, the electrode part 14b of the test jig 12 contacts the electrical contact 25 of the probe block 23, and the edge part 15a of the test jig 12 is carried out. , 15b, 16a, 16b, 17a, 17b, 18a, 19a make contact with the electrical contact 26 of the probe block 23. As shown in FIG. 5, a plurality of screw insertion holes 27 are provided on both sides of the probe block 23 at predetermined intervals.

The connection block 24 is comprised from the lower board 24a and the upper board 24b. The lower plate 24a is formed of a plate body having a plurality of slits 28 penetrating up and down. The slits 28 are provided in the same arrangement with the same spacing between the electrode portions 14b and the end portions 15a and the like formed on the upper surface 12a of the inspection jig 12. A plurality of screw holes 29 are provided on both sides of the lower plate 24a with a gap therebetween.

The upper plate 24b is composed of a plate body of substantially the same shape as the outer shape of the lower plate 24a in plan view, and when the upper plate 24b overlaps the upper surface of the lower plate 24a, the portion facing the slit 28 at the lower surface thereof has a space portion. The insertion penetration recess 31 is formed as much as possible. In the insertion through recess 31, one of the lower plate 24a and the upper plate 24b in the overlapping state (open on the right side in FIG. 5) is opened, and the other part is closed. One end side portion of the plurality of flexible substrates 32 having the same structure is inserted through the insertion recessed portion 31 and the slit 28 and fixed to the bottom surface 24c of the connection block 24. This lower surface 24c constitutes a mounting surface of the present invention.

In addition, the probe block 23 is fixed to the lower surface 24c of the connection block 24 via the bolt 33. The bolt 33 penetrates the threaded insertion hole 27 of the probe block 23 and engages the threaded hole 29 of the lower plate 24a to engage the probe block 23 with the connection block 24. Fix it. At that time, a spacer 34 is attached between the connection block 24 and the probe block 23. The hole part is formed in the center part of this spacer 34, and the bolt 33 penetrates the inside part of this hole part.

The flexible substrate 32 is composed of a pad portion 32a attached to the connecting block 24, a strip-shaped wiring portion 32b, and a land portion (not shown) connected to the inspection apparatus main body 13. It is. On the surface of the pad portion 32a, electrical contacts 35 arranged in the same arrangement as one group of the electrode portions 14b of the inspection jig 12 are formed, respectively. This electrical contact 35 constitutes the terminal portion of each wiring constituting the inspection circuit of the present invention provided in the wiring portion 32b.

In addition, in each of the outer side portions of the four flexible substrates 32 positioned at the four corners of the connection block 24 in the flexible substrate 32, the fixed portion side confirmation wirings 36 and 37 having a short length extending back and forth, respectively. , 38, 39 are provided in a state where both ends are exposed on the surface. The end parts 36a and 36b of the fixed part side confirmation wiring 36 are the end part 15a of the test jig side confirmation wiring 15 of the test jig 12, and the end 16a of the test jig side confirmation wiring 16. ), The end portions 37a and 37b of the fixing part side confirmation wiring 37 correspond to the end portion 16b of the inspection jig side confirmation wiring 16 and the end portion 18a of the connection wiring 18. Exposed to the position. The end portions 38a and 38b of the fixing portion side confirmation wiring 38 correspond to the end portion 17b of the inspection jig side confirmation wiring 17 and the end portion 19a of the connection wiring 19, End portions 39a and 39b of the positive side confirmation wiring 39 are positioned at positions corresponding to the end 15b of the inspection jig side confirmation wiring 15 and the end 17a of the inspection jig side confirmation wiring 17. Exposed

The pad portion 32a of the flexible substrate 32 configured as described above is fixed in a state of being fitted to the probe block 23 and the connection block 24. Moreover, the connector 41 is attached to the surface of a land part, and the flexible board 32 is connected to the test | inspection apparatus main body 13 through this connector 41. As shown in FIG. And the test | inspection apparatus main body 13 is equipped with each apparatus, such as a measuring part which consists of a circuit which measures the detection signal sent from the test | inspection probe 14, a control apparatus, etc. The measurement unit outputs the inspection signal to the inspection probe 14 through the connection structure 20 made of the flexible substrate 32 and the like, and the detection signal returned after passing through the printed substrate 11 through the inspection probe 14. Enter.

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 mobile device are stored in the ROM. In addition, the RAM stores various types of data necessary for performing an electrical inspection such as the above-described detection signals so as to be rewritable. The CPU controls the electric 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. Moreover, this electrical inspection apparatus 10 is equipped with the operation panel for an operator to perform each operation, and the display panel for displaying an inspection result.

In this configuration, when conducting conduction inspection of the printed circuit board 11 using the electrical inspection device 10, first, the pad portion 32a of the predetermined flexible substrate 32 is connected to the connection block 24. At the same time, the probe block 23 is attached to the connection block 24 to fix the pad portion 32a of the flexible substrate 32. Next, the land portion of the flexible substrate 32 is connected to the inspection apparatus main body 13 through 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 attached to the probe block 23 in a proper state, the fixing part side confirmation wirings 36, 37, 38, 39, the electrical contactor 26, and the inspection jig side confirmation wiring 15 , 16, 17 and connection wirings 18, 19 communicate with each other, and a circuit connected to the inspection apparatus main body 13 via electrode portions 18b, 19b connected to the connection wirings 18, 19 is formed. do. For this reason, when the resistance value measured by the measurement part of the test | inspection apparatus main body 13 is below a predetermined value, the said circuit is conducting in a suitable state, and the test jig 12 is the probe block 23 and the connection block 24. It can be confirmed that it is positioned at the correct position with respect to. When the fixing of the inspection jig 12 is confirmed, the printed circuit board 11 is attached to the mounting apparatus.

Subsequently, the head 21 is moved by driving the moving device to move the inspection jig 12 above the predetermined electrical contact 11a of the printed board 11. Next, the test jig 12 is lowered together with the head 21 to bring the test probe 14 into contact with the electrical contact 11a. In this state, the electrical inspection of the electrode pattern of the printed circuit board 11 is performed. In addition, when performing the electrical inspection of the next test | inspection part in the printed board 11, the head part 21 is raised by driving each moving apparatus again, and it moves to the next test | inspection position. Then, the inspection jig 12 is lowered to perform electrical inspection of the portion. Then, all the electrical contacts 11a on the printed circuit board 11 are inspected by sequentially repeating the above-described operation.

Thus, in the electrical inspection apparatus 10 which concerns on this embodiment, when the inspection jig 12 is attached to the probe block 23 fixed to the connection block 24 in an appropriate state, the wiring part for confirmation of a fixed part side (36, 37, 38, 39), the inspection jig side confirmation wirings 15, 16, 17 and the 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 by the presence or absence of electrical conduction. Moreover, since the fixing part side confirmation wiring 36, 37, 38, 39 was provided in the four corners in the lower surface 24c of the connection block 24, the inspection jig 12 and the connection block 24 of Since the position for confirming the conduction state covers almost the whole including four corners of the connection block 24, it is possible to confirm the position with higher precision.

In addition, the electrical inspection apparatus 10 which concerns on this invention is not limited to embodiment mentioned above, It can change suitably and can implement. For example, although the probe block 23 is provided in embodiment mentioned above, this probe block 23 can also be abbreviate | omitted and the inspection jig 12 can be attached to the connection block 24. FIG. In addition, while providing this probe block 23, you may provide another connection member. Moreover, the installation position, length, number, etc. of the fixing part side confirmation wiring, the inspection jig side confirmation wiring, and the connection wiring can also be changed suitably. In addition, the structure of the other part which comprises the electrical inspection apparatus 10 can also be changed suitably.

Claims (5)

A fixing part having a mounting surface exposed by the terminals of the inspection circuit connected to the apparatus main body side, and a mounting surface mounted to the mounting surface with the tip end exposing the proximal end of the inspection wiring constituted by the inspection probe; An inspection jig having an inspection side exposed by the inspection probe, and by attaching the inspection jig to the fixing portion, the inspection circuit and the inspection wiring are connected, and the inspection probe is brought into contact with a contact of a printed board. As an electrical inspection apparatus of a printed circuit board which performs the electrical inspection of the said printed circuit board, Two or more fixing part side confirmation wires formed by exposing both ends on the surface to be mounted of the fixing part; Two or more inspection jig side confirmation wires which are one less than the fixed part side confirmation wire formed by exposing both ends on the mounting surface of the inspection jig so as to correspond to an end of the fixed part side confirmation wire and another end of the fixed part side confirmation wire; , Two connection wirings respectively connecting portions other than the end of the inspection jig side confirmation wiring and the end of the inspection wiring in a portion corresponding to an end of two or more fixing part side confirmation wirings on the mounting surface of the inspection jig. And When the inspection jig is attached to the fixing unit in a proper state, the two or more fixing unit side confirmation wirings, the two or more inspection jig side confirmation wirings, and the connection wiring are electrically connected, and an end of the connection wiring is provided. Is connected to a terminal of the inspection circuit. The conducting connection part which connects the terminal of the said test circuit and the edge part of the said test wiring between the said fixed part and the said test jig, and each end of the said 2 or more fixed part side confirmation wiring, and 2 or more test jig sides. The electrical inspection apparatus of the printed circuit board provided with the connection member provided with the connection part for confirmation which connects between each edge part of the confirmation wiring. The electrical inspection device of a printed circuit board according to claim 1 or 2, wherein the two or more fixing part side confirmation wirings are formed of four wirings provided at four corners of the mounting surface of the fixing part. An inspection jig provided in the electrical inspection apparatus of the printed circuit board of Claim 1 or 2, Comprising: Two or more test jig side confirmation wiring which is one less than the said fixed part side confirmation wiring formed by exposing both ends to the said mounting surface, The said mounting An inspection jig provided with two connection wirings respectively connecting portions corresponding to two ends of the fixing portion side confirmation wiring on the surface, and ends of the inspection wiring. The terminal of the inspection circuit connected to the apparatus main body side is exposed from the mounting surface of the fixed portion, and the proximal end of the inspection wiring composed of the inspection probe is exposed on the mounting surface of the inspection jig, and the inspection of the inspection jig is performed. By exposing the inspection probe to a side surface, and attaching the inspection jig to the fixing portion, the inspection circuit and the inspection wiring are connected, and the electrical inspection of the printed circuit board is performed by contacting the inspection probe with a contact point of the printed board. As a fixed confirmation method of the inspection jig in the inspection, Forming at least two fixing part side confirming wires in a state in which both ends are exposed on the surface to be mounted on the fixing part; Two or more inspection jig side confirmation wirings which can be connected to the inspection jig between end portions of different fixing part side confirmation wirings of the two or more fixed part side confirmation wirings, and the inspection jig side confirmation wiring and the inspection Forming a connection wiring for connecting the wiring, and When the inspection jig is attached to the fixing unit in an appropriate state, the two or more fixing unit side confirmation wirings, the two or more inspection jig side confirmation wirings, and the connection wiring are electrically connected to each other. And an end of which is connected to a terminal of the inspection circuit, wherein the fixing of the inspection jig is confirmed by the electrical connection.

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