Bubble jet print head having improved multi-layer protective str

Details Bubble jet print head having improved multi-layer protective str Bubble jet print head having improved multi-layer protective str

1989-05-12

1990-09-11

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

B41J 205

Patent

active

049566539

ABSTRACT:
An improved protective construction for a bubble jet print head device of the kind having a substrate with a plurality of separately addressable resistive heater portions that are formed by address and common electrodes. The protective construction includes a first layer of dielectric material formed over the heater portions, a second layer of metal formed over the first layer, and a third layer having a physically hard and chemically inert outer surface portion overlying the second layer.

REFERENCES:
patent: 4335389 (1982-06-01), Shirato et al.
patent: 4370668 (1983-01-01), Hara et al.
patent: 4412224 (1983-10-01), Sugitani
patent: 4450457 (1984-05-01), Miyachi et al.
patent: 4513298 (1985-04-01), Scheu
patent: 4567493 (1986-01-01), Ikeda et al.
patent: 4577202 (1986-03-01), Hara
patent: 4596994 (1986-06-01), Matsuda et al.
patent: 4686544 (1987-08-01), Ikeda et al.

Affiliated with

Also associated with

Rating

Bubble jet print head having improved multi-layer protective str does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Bubble jet print head having improved multi-layer protective str, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Bubble jet print head having improved multi-layer protective str will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1187265