发明名称 |
METHOD OF FORMING FLUORESCENT SCREENS OF COLOR PICTURE TUBES |
摘要 |
In a method of forming a fluorescent screen of a color picture tube by a dry process, the method comprises a first step of precoating an emulsion containing a powder of acryl resin on an inner surface of a face plate of the color picture tube to form a primary coating, a second step of coating on the primary coating a photosensitive composition consisting essentially of a diazonium salt to form a thin film, a third step of exposing to light a selected portion of the thin film to render the same to become adhesive, a fourth step of depositing a powder of a phosphor on the selected portion to form a phosphor layer of a first color and a fifth step of repeating the third and fourth steps to form phosphor layers of second and third colors. |
申请公布号 |
DE3066007(D1) |
申请公布日期 |
1984.02.02 |
申请号 |
DE19803066007 |
申请日期 |
1980.09.03 |
申请人 |
HITACHI, LTD. |
发明人 |
YOKOMIZO, HIROSHI;NISHIZAWA, MASAHIRO;TOMITA, YOSHIFUMI;MIURA, KIYOSHI;SASAYA, OSAMU |
分类号 |
H01J9/227;(IPC1-7):H01J9/22;H01J29/22 |
主分类号 |
H01J9/227 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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