US Patent No: 5,725,977
Number of patents in Portfolio can not be more than 2000
Method of forming fluorescent screen for color cathode-ray tube and exposure system for forming same
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Mar 10, 1998
Issued date -
Jun 11, 1997
filing date -
08/873,175
serial no -
Expired
status
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Abstract
An exposure system including a master mask used for exposing a glass panel to form a plurality of phosphor stripes or dots on an inner surface of the glass panel wherein the master mask and/or a light source are movable for correction of an exposure position, thereby eliminating the need to attach and remove a color selecting mechanism to and from the glass panel when the glass panel is exposed to form a fluorescent screen on the inner surface of the glass panel.
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First Claim
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 5,158,491 System of printing standardized cathode ray tube screens | 3 | 1991 | |