04608480 is referenced by 64 patents and cites 17 patents.

A process and apparatus are disclosed for accurately drilling and calibrating holes via a pulsed laser beam to form a perforated work piece. The sounds emitted by the melting of the work piece due to its contact with the laser beam are sensed, converted into digital form, compared with a reference value and are utilized to control the operating parameters of the laser.

Title
Process and apparatus for laser drilling
Application Number
6/618811
Publication Number
4608480
Application Date
June 8, 1984
Publication Date
August 26, 1986
Inventor
Georges Narcy
Melun
FR
Jean Paul Louis
Moissy Cramayel
FR
Gery Charles J Brasselet
Le Mee sur Seine
FR
Henri Bizot
Paris
FR
Agent
Bacon & Thomas
Assignee
S N E C M A
FR
IPC
B23K 26/00
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