| 发明名称 |
LASER SENSITOMETER |
| 摘要 |
A laser and a negative lens are used in a sensitometer to produce a diverging beam of coherent monochromatic light which is desirable in making sensitometric test strips from light-sensitive material that is being tested for resolution response.
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| 申请公布号 |
US3677653(A) |
申请公布日期 |
1972.07.18 |
| 申请号 |
USD3677653 |
申请日期 |
1970.10.23 |
| 申请人 |
RICHARD L. HOCKER;CONRAD P. CZERNIEJEWSKI;JOHN D. HOPPER |
发明人 |
RICHARD L. HOCKER;CONRAD P. CZERNIEJEWSKI;JOHN D. HOPPER |
| 分类号 |
G01J1/42;(IPC1-7):G01J1/52 |
主分类号 |
G01J1/42 |
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