METHOD OF WORKING GLASS WITH ABSORBENT BY A LASER BEAM

• US 3,453,097 A
• Filed: 10/18/1965
• Issued: 07/01/1969
• Est. Priority Date: 10/19/1964
• Status: Expired due to Term

• Current Assignee: Hafner, Walter
• Original Assignee: Hafner, Walter
• Inventors: Hafner, Walter
• Application Number:
  US04/497,326
• Time in Patent Office: 1,352 Days
• US Class Current: 65/112
• CPC Class Codes: B23K 26/18 using absorbing layers on the workpiece, e.g. for marking or protecting purposes
• CPC Class Codes: B28D 1/221 by thermic methods
• CPC Class Codes: C03B 23/20 Uniting glass pieces by fusing without substantial reshaping
• CPC Class Codes: C03B 33/082 using a focussed radiation beam, e.g. laser C03B33/0855 takes precedence
• CPC Class Codes: C03B 33/093 using two or more focussed radiation beams
• CPC Class Codes: Y10T 225/304 Including means to apply thermal shock to work
• CPC Class Codes: Y10T 83/0341 Processes

Claims