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:
Oct. 20, 1992
Filed:
Jul. 03, 1991
Applicant:
Inventor:
Peter Borden, Palo Alto, CA (US);
Assignee:
High Yield Technology, Sunnyvale, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
H01S / ;
U.S. Cl.
CPC ...
372 34 ; 372 43 ; 372103 ;
Abstract
A housing for a laser based particle monitor comprising a pair of pipes for directing particle flow through a chamber. In one embodiment, elbows are disposed on the piping such that the interior of the chamber cannot be viewed from a point outside the housing.