Patent ID: 7281783
Filing Date: 2007-10-16
Classification: B41J

Abstract:
1. A fluid ejection device, comprising: a chamber; a first fluid channel and a second fluid channel each communicated with the chamber; a first peninsula extended along the first fluid channel and having substantially parallel sides, and a second peninsula extended along the second fluid channel and having substantially parallel sides; and a first sidewall extended between the first peninsula and the chamber, and a second sidewall extended between the second peninsula and the chamber, wherein the first sidewall is oriented at a first angle to the chamber and the second sidewall is oriented at a second angle to the chamber, wherein the second angle is less than the first angle, wherein the first fluid channel includes a first portion extended along the first peninsula and a second portion extended along the first sidewall, and the second fluid channel includes a first portion extended along the second peninsula and a second portion extended along the second sidewall, and wherein the chamber extends into the second portion of the first fluid channel and the second portion of the second fluid channel.