发明名称 |
Exposure apparatus and method for manufacturing a cathode ray tube display screen |
摘要 |
Apparatus for manufacturing cathode ray tube display screens having a face plate with an affixed layer of photosensitive material and an apertured mask spaced from the photosensitive layer and attached to the faceplate includes an exposure chamber having a source of actinic energy spaced from the faceplate and a shutter intermediate the actinic energy source and the faceplate with the shutter movable in one given direction to initiate and to interrupt impingement of the faceplate by light rays from the actinic energy source.
|
申请公布号 |
US4122461(A) |
申请公布日期 |
1978.10.24 |
申请号 |
US19770814146 |
申请日期 |
1977.07.11 |
申请人 |
GTE SYLVANIA INCORPORATED |
发明人 |
MOREAN, JAMES E.;PENIRD, CARL W. |
分类号 |
H01J9/227;(IPC1-7):G03B41/00;G03C5/00;G03B9/40 |
主分类号 |
H01J9/227 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|