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:
Jul. 09, 1991
Filed:
Jul. 13, 1990
Applicant:
Inventor:
Josef R Unternahrer, Pleasanton, CA (US);
Assignee:
Hoya Optics Inc., Fremont, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03F / ;
U.S. Cl.
CPC ...
307425 ; 307427 ; 372 22 ; 350356 ;
Abstract
Crystals of compounds of the type (RE).sub.x Y.sub.1-x Al.sub.3 (BO.sub.3).sub.4 where (RE) is a rare-earth element or absent (x=O) are optically uniaxially negative and show the linear electrooptical effect and the nonlinear optical effect. They are useful as modulators and as nonlinear optical devices such as second harmonic generators, parametric oscillators and amplifiers, and the like.
Unternahrer, Josef. (1991). (re.sub.x y.sub.1-x al.sub.3 (bo.sub.3).sub.4 crystals in electrooptic (U.S. Patent No. 5030851). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5030851
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile