JPH022655U - - Google Patents
Info
- Publication number
- JPH022655U JPH022655U JP8038388U JP8038388U JPH022655U JP H022655 U JPH022655 U JP H022655U JP 8038388 U JP8038388 U JP 8038388U JP 8038388 U JP8038388 U JP 8038388U JP H022655 U JPH022655 U JP H022655U
- Authority
- JP
- Japan
- Prior art keywords
- circuit board
- printed circuit
- fluorescence
- inspection machine
- amount
- 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
- 238000011179 visual inspection Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims 1
- 230000001678 irradiating effect Effects 0.000 claims 1
- 230000010355 oscillation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Description
第１図はこの考案の概要を示すブロツク図、第
２図はこの考案の第１実施例を示すブロツク図、
第３図はプリント基板の外観検査機の概要を示す
ブロツク図、第４図は外観検査機での信号処理の
状態を示す説明図、第５図は放出される蛍光の性
質を示すグラフである。
図中、１１…可変波長レーザ発振器、１４…蛍
光検出器、２０…サーボ機構、３０…プリント基
板。
Fig. 1 is a block diagram showing an overview of this invention, Fig. 2 is a block diagram showing a first embodiment of this invention,
Fig. 3 is a block diagram showing an overview of a printed circuit board visual inspection machine, Fig. 4 is an explanatory diagram showing the state of signal processing in the visual inspection machine, and Fig. 5 is a graph showing the properties of emitted fluorescence. . In the figure, 11... variable wavelength laser oscillator, 14... fluorescence detector, 20... servo mechanism, 30... printed circuit board.
Claims (1)
とによつて、該プリント基板３０から放出される
蛍光に基づいて、該プリント基板３０に形成され
たパターン３１の外観を検査するプリント基板の
外観検査機において、 可変波長レーザ発振器１１と、 プリント基板から放出される蛍光量を検出する
蛍光検出器１４と、 上記蛍光検出器１４の出力に基づいて上記可変
波長レーザ発振器の発振波長を蛍光放出量が最大
になるように制御するサーボ機構２０と、 を備えたプリント基板の外観検査機。[Claims for Utility Model Registration] By irradiating the printed circuit board 30 with laser light R, the appearance of the pattern 31 formed on the printed circuit board 30 is inspected based on the fluorescence emitted from the printed circuit board 30. A printed circuit board visual inspection machine comprising: a variable wavelength laser oscillator 11; a fluorescence detector 14 for detecting the amount of fluorescence emitted from the printed circuit board; and oscillation of the variable wavelength laser oscillator based on the output of the fluorescence detector 14. A servo mechanism 20 for controlling the wavelength so that the amount of fluorescence emission is maximized; and a printed circuit board appearance inspection machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8038388U JPH022655U (en) | 1988-06-16 | 1988-06-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8038388U JPH022655U (en) | 1988-06-16 | 1988-06-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH022655U true JPH022655U (en) | 1990-01-09 |
Family
ID=31305212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8038388U Pending JPH022655U (en) | 1988-06-16 | 1988-06-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH022655U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0490408U (en) * | 1990-12-17 | 1992-08-06 |
-
1988
- 1988-06-16 JP JP8038388U patent/JPH022655U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0490408U (en) * | 1990-12-17 | 1992-08-06 |
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