Printhead integrated circuit

Details Printhead integrated circuit Printhead integrated circuit

2005-12-20

2005-12-20

Guerrero, Maria F. (Department: 2822)

Semiconductor device manufacturing: process

Manufacture of electrical device controlled printhead

C347S020000, C347S040000

Reexamination Certificate

active

06977185

ABSTRACT:
An integrated circuit is formed on a substrate. The integrated circuit includes a transistor formed in the substrate. The transistor has a gate that forms at least one closed-loop. The integrated circuit also includes an ejection element that is coupled to the transistor wherein the ejection element is disposed over the substrate without an intervening field oxide layer.

REFERENCES:
patent: 3315096 (1967-04-01), Carlson et al.
patent: 3608189 (1971-09-01), Gray
patent: 3868721 (1975-02-01), Davidsohn
patent: 4063274 (1977-12-01), Dingwall
patent: 4142197 (1979-02-01), Dingwall
patent: 4173022 (1979-10-01), Dingwall
patent: 4240093 (1980-12-01), Dingwall
patent: 4272881 (1981-06-01), Angle
patent: 4274193 (1981-06-01), Angle
patent: 4308549 (1981-12-01), Yeh
patent: 4561170 (1985-12-01), Doering et al.
patent: 4696092 (1987-09-01), Doering et al.
patent: 4697328 (1987-10-01), Custode
patent: 5122812 (1992-06-01), Hess et al.
patent: 5147812 (1992-09-01), Gilbert et al.
patent: 5159353 (1992-10-01), Fasen et al.
patent: 5305015 (1994-04-01), Schantz et al.
patent: 5310692 (1994-05-01), Chan et al.
patent: 5870121 (1999-02-01), Chan
patent: 5874769 (1999-02-01), Chan et al.
patent: 5883650 (1999-03-01), Figueredo et al.
patent: 6019907 (2000-02-01), Kawamura
patent: 6034410 (2000-03-01), Chan et al.
patent: 6102528 (2000-08-01), Burke et al.
patent: 6183067 (2001-02-01), Matta
patent: 0574911 (1993-12-01), None
patent: 0641658 (1995-03-01), None
HP Journal, Feb. 1994, vol. 45, No. 1, pp 41-45, The Third-Generation HP Thermal InkJet Printhead. J. Aden, et al.

Affiliated with

Also associated with

Rating

Printhead integrated circuit does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Printhead integrated circuit, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Printhead integrated circuit will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3522340