JPH023513U - - Google Patents
Info
- Publication number
- JPH023513U JPH023513U JP8133588U JP8133588U JPH023513U JP H023513 U JPH023513 U JP H023513U JP 8133588 U JP8133588 U JP 8133588U JP 8133588 U JP8133588 U JP 8133588U JP H023513 U JPH023513 U JP H023513U
- Authority
- JP
- Japan
- Prior art keywords
- hole
- wall
- pin
- light source
- surface provided
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002184 metal Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
Description
第1図は本発明の一実施例の装置を示す概略図
である。
符号の説明、1…配線板、2…ピン、3…レン
ズ、4…光源、5…ハーフミラー、6…半導体撮
像センサー、7…画像処理装置、8…CRT。
FIG. 1 is a schematic diagram showing an apparatus according to an embodiment of the present invention. Explanation of symbols: 1... Wiring board, 2... Pin, 3... Lens, 4... Light source, 5... Half mirror, 6... Semiconductor image sensor, 7... Image processing device, 8... CRT.
Claims (1)
なつた層間の配線パターンをスルーホールの内壁
に形成した金属層によつて接続する印刷配線板の
スルーホール内壁を観察するために、スルーホー
ルに挿入されるピン2と、そのピン2の先端に設
けられた反射面によつてスルーホール内壁を照ら
す光源4と、光源4によつて照らされたスルーホ
ール内壁の形状をピン1に設けられた反射面を介
してスルーホールの中心延長上に像を結ぶように
設けられたレンズ3と、光源4をピン2に設けら
れた反射面に導くためのハーフミラー5とより成
るスルーホール内壁観察装置。 In order to observe the inner wall of a through hole of a printed wiring board that has wiring patterns on at least two layers and connects the wiring patterns between different layers by a metal layer formed on the inner wall of the through hole, it is inserted into the through hole. A light source 4 that illuminates the inner wall of the through hole using a reflective surface provided at the tip of the pin 2, and a reflective surface provided on the pin 1 that reflects the shape of the inner wall of the through hole illuminated by the light source 4. A through-hole inner wall observation device comprising a lens 3 provided to focus an image on the central extension of the through-hole via the lens 3, and a half mirror 5 for guiding a light source 4 to a reflecting surface provided on the pin 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8133588U JPH023513U (en) | 1988-06-20 | 1988-06-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8133588U JPH023513U (en) | 1988-06-20 | 1988-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH023513U true JPH023513U (en) | 1990-01-10 |
Family
ID=31306116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8133588U Pending JPH023513U (en) | 1988-06-20 | 1988-06-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH023513U (en) |
-
1988
- 1988-06-20 JP JP8133588U patent/JPH023513U/ja active Pending
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