US Patent 8933366 Micro laser assisted machining

Patent 8933366 was granted and assigned to Western Michigan University on January, 2015 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors Activity

Is a

Patent

Patent attributes

Current Assignee

Western Michigan University

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

89333660

Patent Inventor Names

John Patten0

Date of Patent

January 13, 2015

Patent Application Number

119928110

Date Filed

September 28, 2005

Patent Primary Examiner

‌

William D. Coleman

Patent abstract

A method and apparatus (1) for machining a semiconductor or ceramic workpiece (32) causes a portion of the workpiece to undergo high pressure phase transformation to form a high pressure phase transformation portion which has altered optical properties from the remainder of the workpiece. A laser is irradiated on the high pressure transformation portion to heat the high pressure transformation portion and cause it to soften and then the workpiece is plastically deformed, at smaller loads and forces, along the softened portion in order to accomplish the machining of the workpiece with a machining tool (21).