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:
Dec. 03, 1996
Filed:
Jul. 22, 1994
Patricia H Cunningham, Thousand Oaks, CA (US);
Leslie F Warren, Jr, Camarillo, CA (US);
Henry O Marcy, 5th, Camarillo, CA (US);
Mark J Rosker, Newbury Park, CA (US);
Rockwell International Corporation, Seal Beach, CA (US);
Abstract
A nonlinear optical material includes a noncentrosymmetric crystal of an anionic boron complex salt containing a cation and at least one organic ligand coordinated to a boron atom. The nonlinear optical crystal may consist of a compound having the formula A[BC.sub.2 ] where A is a monocation, B is boron, and C is the organic ligand, or a compound having the formula A[BC.sub.2 ].sub.2 where A is a dication, B is boron, and C is the organic ligand. The organic ligands may also be organic molecules having .alpha.-dihydroxy functionalities. Furthermore, the organic ligands may be selected from the group consisting of .alpha.-hydroxy carboxylic acids and 1,2-diols or from the group consisting of d-malic acid, d-lactic acid, d-tartaric acid, dimethyl-d-tartrate, diethyl-d-tartrate, l-malic acid, l-lactic acid, l-tartaric acid, dimethyl-l-tartrate, diethyl-l-tartrate, and ethylene glycol. The anionic boron complex may be selected from the group consisting of boro-di(l-malate), boro-di(l-tartrate), boro-di(l-lactate), boro-di(diethyl-l-tartrate), boro-di(methyl-1-tartrate), boro-di(d-tartrate), boro-di(d-lactate), boro-di(diethyl-d-tartrate), boro-di(dimethyl-d-tartrate) and boro-di(ethylene glycolate). The cation may be selected from the group consisting of alkali metals, alkaline earth metals, ammonium ions, and Group 2B dications. The cation may be further selected from the group consisting of lithium, sodium, potassium, the ammonium NH.sub.4.sup.+ ion, the guanidinium C(NH.sub.2).sub.3.sup.+ ion, calcium, and zinc.