JPH02104352U - - Google Patents
Info
- Publication number
- JPH02104352U JPH02104352U JP1329789U JP1329789U JPH02104352U JP H02104352 U JPH02104352 U JP H02104352U JP 1329789 U JP1329789 U JP 1329789U JP 1329789 U JP1329789 U JP 1329789U JP H02104352 U JPH02104352 U JP H02104352U
- Authority
- JP
- Japan
- Prior art keywords
- pattern
- light
- graduations
- drawn
- utility
- 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 description 2
Landscapes
- Preparing Plates And Mask In Photomechanical Process (AREA)
Description
第1図は本考案に係るライトテーブルの一実施
例を示す分解斜視図、第2図は本考案のライトテ
ーブルによる検査状態を示す分解斜視図、第3図
は従来のライトテーブルによる検査状態を示す分
解斜視図である。
1……ライトテーブル、2……透過なテーブル
板、3……等間隔の格子線、4……格子状に目盛
を付したテーブル板、5……光源部、6……フオ
トマスクパターン、7a,7b……位置合せ用ラ
ンドパターン。
FIG. 1 is an exploded perspective view showing an embodiment of a light table according to the present invention, FIG. 2 is an exploded perspective view showing an inspection state using the light table of the present invention, and FIG. 3 is an exploded perspective view showing an inspection state using a conventional light table. FIG. DESCRIPTION OF SYMBOLS 1... Light table, 2... Transparent table plate, 3... Equally spaced grid lines, 4... Table plate with scales in a grid pattern, 5... Light source section, 6... Photomask pattern, 7a , 7b...Land pattern for positioning.
Claims (1)
透過なテーブル板を有することを特徴とするライ
トテーブル。 A light table characterized by having a transparent table plate on which a rectangular pattern with graduations in a grid pattern is drawn.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1329789U JPH02104352U (en) | 1989-02-07 | 1989-02-07 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1329789U JPH02104352U (en) | 1989-02-07 | 1989-02-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH02104352U true JPH02104352U (en) | 1990-08-20 |
Family
ID=31223482
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1329789U Pending JPH02104352U (en) | 1989-02-07 | 1989-02-07 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH02104352U (en) |
-
1989
- 1989-02-07 JP JP1329789U patent/JPH02104352U/ja active Pending