JPH0232045U - - Google Patents
Info
- Publication number
- JPH0232045U JPH0232045U JP10991488U JP10991488U JPH0232045U JP H0232045 U JPH0232045 U JP H0232045U JP 10991488 U JP10991488 U JP 10991488U JP 10991488 U JP10991488 U JP 10991488U JP H0232045 U JPH0232045 U JP H0232045U
- Authority
- JP
- Japan
- Prior art keywords
- light
- applying
- light source
- transmits
- liquid crystal
- 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
- 239000004973 liquid crystal related substance Substances 0.000 claims description 2
- 239000013307 optical fiber Substances 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
- 238000005286 illumination Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
Landscapes
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Description
図は本考案の実施例を示すものであつて、第1
図は照明装置の斜視図、第2図は外観検査装置の
斜視図、第3図は他の実施例の斜視図、第4図は
従来のものの斜視図である。
2……光源、4……液晶体、6……光フアイバ
、8……基板。
The figure shows an embodiment of the present invention.
2 is a perspective view of an illumination device, FIG. 2 is a perspective view of an external appearance inspection device, FIG. 3 is a perspective view of another embodiment, and FIG. 4 is a perspective view of a conventional device. 2...Light source, 4...Liquid crystal, 6...Optical fiber, 8...Substrate.
Claims (1)
、先端部から基板にこの光を照射する光フアイバ
とを備え、この光の光路に、電圧の印加不印加に
より光を選択的に透過・遮断する液晶体を配設し
たことを特徴とする基板の外観検査用照明装置。 It is equipped with a light source and an optical fiber that transmits the light emitted from the light source and irradiates the light from the tip to the substrate, and selectively transmits the light by applying or not applying a voltage to the optical path of the light. A lighting device for inspecting the appearance of a board, characterized in that a blocking liquid crystal element is provided.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10991488U JPH0232045U (en) | 1988-08-22 | 1988-08-22 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10991488U JPH0232045U (en) | 1988-08-22 | 1988-08-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0232045U true JPH0232045U (en) | 1990-02-28 |
Family
ID=31346593
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10991488U Pending JPH0232045U (en) | 1988-08-22 | 1988-08-22 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0232045U (en) |
-
1988
- 1988-08-22 JP JP10991488U patent/JPH0232045U/ja active Pending