The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 10, 2005
Filed:
Nov. 19, 2003
Applicants:
Takeshi Karasawa, Hyogo, JP;
Mituru Ikeuchi, Hyogo, JP;
Inventors:
Takeshi Karasawa, Hyogo, JP;
Mituru Ikeuchi, Hyogo, JP;
Assignee:
Ushio Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L021/26 ; H01L021/324 ; H01L029/76 ; H01L031/036 ; G06F019/00 ;
U.S. Cl.
CPC ...
Abstract
A method for controlling electrical conductivity to a work piece by irradiating pulse light from a light source onto the work piece, the method comprising a step of controlling the light irradiation index S of the pulse light in a 400≦S≦900 range, wherein light energy, pulse width and light irradiation index are represented by E J/cm, τ sec, and S, and the S is defined as E/τ.