×

Ink jet channel wafer for a thermal ink jet printhead

  • US 5,971,527 A
  • Filed: 10/29/1996
  • Issued: 10/26/1999
  • Est. Priority Date: 10/29/1996
  • Status: Expired due to Term
First Claim
Patent Images

1. An ink jet channel wafer for an ink jet printer comprising a surface comprising:

  • a) a plurality of anisotropically etched ink channels, andb) an anisotropically etched ink reservoir;

    said ink reservoir being directly connected to said ink channels by convex corners, said convex corners being defined by at least one crystal {221} plane and wherein walls of said ink channels are on a crystal {111} plane.

View all claims
  • 4 Assignments
Timeline View
Assignment View
    ×
    ×