JPH0335409U - - Google Patents
Info
- Publication number
- JPH0335409U JPH0335409U JP9549989U JP9549989U JPH0335409U JP H0335409 U JPH0335409 U JP H0335409U JP 9549989 U JP9549989 U JP 9549989U JP 9549989 U JP9549989 U JP 9549989U JP H0335409 U JPH0335409 U JP H0335409U
- Authority
- JP
- Japan
- Prior art keywords
- inner layer
- stylus
- layer circuit
- circuit
- outer layer
- 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
- 238000007689 inspection Methods 0.000 claims description 2
- 241001422033 Thestylus Species 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Description
第１図は本考案の実施例の模式図、第２図は多
層プリント基板の断面図、第３図は従来の検査装
置の模式図である。
２……被検査基板、３……パタンボード、４…
…コンタクトピン、５……ガイドボード、６……
チエツカーピン、７……信号ライン（ＬＣＲメー
タに接続）、８……信号ライン（チエツカー本体
に接続）。
FIG. 1 is a schematic diagram of an embodiment of the present invention, FIG. 2 is a sectional view of a multilayer printed circuit board, and FIG. 3 is a schematic diagram of a conventional inspection device. 2... Board to be inspected, 3... Pattern board, 4...
...Contact pin, 5...Guide board, 6...
Checker pin, 7... Signal line (connected to LCR meter), 8... Signal line (connected to checker body).
Claims (1)
回路の電気回路検査を行う第１の触針と、上記外
層回路と内層回路に挟まれた内層絶縁層の静電容
量値を測定する第２の触針とが併設され、かつ上
記両触針の先端が同一平面上に配設されてなる内
層膜厚検査装置。 A first stylus for inspecting the electric circuits of the outer layer circuit and the inner layer circuit in the multilayer printed circuit board, and a second stylus for measuring the capacitance value of the inner layer insulating layer sandwiched between the outer layer circuit and the inner layer circuit. An inner layer film thickness inspection device that is installed side by side, and in which the tips of both of the stylus needles are arranged on the same plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9549989U JPH0335409U (en) | 1989-08-14 | 1989-08-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9549989U JPH0335409U (en) | 1989-08-14 | 1989-08-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0335409U true JPH0335409U (en) | 1991-04-08 |
Family
ID=31644760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9549989U Pending JPH0335409U (en) | 1989-08-14 | 1989-08-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0335409U (en) |
-
1989
- 1989-08-14 JP JP9549989U patent/JPH0335409U/ja active Pending
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