Adhesive bonding and miscellaneous chemical manufacture – Delaminating processes adapted for specified product – Delaminating in preparation for post processing recycling step
Patent
1989-03-24
1990-05-22
Powell, William A.
Adhesive bonding and miscellaneous chemical manufacture
Delaminating processes adapted for specified product
Delaminating in preparation for post processing recycling step
156656, 156902, 156 67, B44C 122, C23F 102, C03C 1500, C03C 2506
Patent
active
049274902
ABSTRACT:
An integrated electroluminescent display (DCEL), in which the DCEL (11) is integrated into the substrate board (10), such as, for example, a printed circuit board, which carries associated electronic components (12), such as, for example, those which would make up a control circuit, the DCEL displaying pertinent information for the control circuit. The bottom electrode (13) for the DCEL can be copper foil, which is etched at the same time as the rest of the foil pattern (13A) used to electrically interconnect the control components (12) of the overall control circuit during the making of the printed circuit board. Thereafter, the phosphor layer (14) is printed onto the associated copper foil segments, and, finally, a glass (15), which has on its inner surface an appropriate pattern of tin oxide (16), is placed on top of the phosphor depositions. The glass is then adhesively bonded to the printed circuit board and appropriate connections made between the tin oxide and the printed circuit board connectors with conductive adhesives, and a sealant (17) is applied around the edge of the glass to prevent moisture from entering the phosphor. Moisture traps (18) can be deposited before the glass is applied to surround each phosphor deposition. The P.C. board is thus made an integral, substrate part of the DCEL.
REFERENCES:
patent: 3786307 (1974-01-01), Robinson
patent: 3803437 (1974-04-01), Robinson
patent: 4159559 (1979-07-01), Robinson
patent: 4646074 (1987-02-01), Hashimoto
Phosphor Products Company Limited, "2000 Character DC Electroluminescent Display", Preliminary Specification, Jun. 1984.
Hamilton Standard Controls Inc.
Powell William A.
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