Patent ID: 6692111
Filing Date: 2004-02-17
Classification: B41J

Abstract:
An inkjet printhead comprising:a carrier substrate, said carrier substrate comprising a first surface and a second surface, said first surface having at least one groove wherein at least one ink electing die is inserted; said ink electing die further comprising: a silicon substrate having at least an opposing upper surface and lower surface and thin film stack; an upper surface of said opposing upper surface and lower surface being beveled thereby forming a bevel on at least one edge of said upper surface wherein a lower portion of said bevel is below an upper portion of said bevel; a conductive material trace being disposed on top of at least a portion of said upper surface and said thin film stack and on said bevel towards said lower portion of said bevel; an electrical conductor having a first end and a second end, said first end being coupled to said conductive material trace at a predetermined location below said upper portion of said bevel and said second end being coupled to said carrier substrate; and wherein said semiconductor substrate further comprised a buried oxide layer, said buried oxide layer is an etch stop.