公开(公告)号：JPH0850312A

公开(公告)日：1996-02-20

申请号：JP18589594

申请日：1994-08-08

Applicant: TORAY INDUSTRIES

Inventor： YAMAHO TOMOYA ,  TSUDA TAKAHARU

IPC: G02F1/35 ,  G02F1/355 ,  G02F1/361

Abstract: PURPOSE:To form a large-sized crystal of an org. nonlinear optical material having crystal orientation through which the nonlinear optical characteristics of the material can be advantageously utilized by bringing a specified face as one of the crystal lattice faces of a seed crystal made of the same compd. as a melt into contact with the surface of the melt and carrying out crystal growth. CONSTITUTION:When a single crystal of an org. nonlinear optical crystal material selected from compds. represented by the formula (where R is

公开(公告)号：JPH0792511A

公开(公告)日：1995-04-07

申请号：JP23770693

申请日：1993-09-24

Applicant: TORAY INDUSTRIES

Inventor： TSUDA TAKAHARU ,  FUKUDA SEIJI

IPC: G02F1/35 ,  C07B61/00 ,  C07C251/24 ,  C09K9/02 ,  C30B15/34 ,  C30B29/54 ,  G02F1/355 ,  G02F1/361

Abstract: PURPOSE:To effectively grow a plate single crystal of a large area of a high- performance org. nonlinear optical crystal material by producing the single crystal by a melting and pulling up method using a capillary die in an inert gaseous atmosphere. CONSTITUTION:This org. nonlinear optical crystal is produced by the melting and pulling up method using the capillary die in the inert gaseous atmosphere. The org. nonlinear optical crystal material is an org. nonlinear optical crystal material selected from among 4'-nitrobenzylidene-3-alkanoylamino-4- methoxyaniline expressed by the formula, etc., and compds. in which a part of hydrogen of these compounds are replaced with deuterium. In the formula, R denotes