Method of making multi-layer photosensitive glass ceramic charge

Details Method of making multi-layer photosensitive glass ceramic charge Method of making multi-layer photosensitive glass ceramic charge

1976-12-27

1978-06-27

DiPalma, Victor A.

Metal working

Method of mechanical manufacture

Electrical device making

156629, 156663, 346 75, H05K 310, G01D 1518

Patent

active

040966267

ABSTRACT:
A method for fabricating a multi-layer laminated charge plate for an ink jet printer. The charge plate is produced by selectively etched layers of photosensitive glass. By exposure of the photosensitive glass and controlled etching, the intermediate layers are provided with slots partially or completely etched through the thickness of the layers for the conductors to connect a charge electrode hole with pin connector pads. A heat treating process is used to bond the various layers of different thickness and configuration together by self-diffusion bonding. Metallization of the conductor paths is carried out with suitable alloys. The alloys with melting points higher than the bonding temperature can be deposited on appropriate layers prior to laminating. An alternate approach is to laminate the charge plate and produce metallization of the conductor path with a low melting point conductor by capillary flow.

REFERENCES:
patent: 3492523 (1970-01-01), Smith et al.
patent: 3509268 (1970-04-01), Schwartz et al.
patent: 3586907 (1971-06-01), Beam
patent: 3714706 (1973-02-01), Reizman et al.
patent: 3825456 (1974-07-01), Weber et al.
patent: 3975741 (1976-08-01), Solyst
patent: 3999004 (1976-12-01), Chirino

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