B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
B23K 26/36 (2006.01) B23K 26/06 (2006.01) B41J 2/01 (2006.01) B41J 2/16 (2006.01)
Patent
CA 2313056
A femtosecond laser is employed and sublimation working is conducted by illuminating a mask pattern by scanning asynchronously with the laser oscillation, thereby forming an integrated image of the speckle interference image generated by the diffraction of the laser beam passing through the mask pattern, and moving the workpiece in synchronization with the movement of the pattern image, whereby a laser working method free from generation of by-products and capable of conducting highly precise working, suppressing speckle interference in the working by mask projection, thereby precisely reproducing the fine mask pattern, and working the workpiece by projection of a large-area pattern, a method for producing an ink jet recording head utilizing such laser working method and an ink jet recording head produced by such producing method are provided.
Canon Kabushiki Kaisha
Ridout & Maybee Llp
LandOfFree
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