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1. WO2020061974 - LITHIUM TANTALATE SINGLE CRYSTAL ROD

Publication Number WO/2020/061974
Publication Date 02.04.2020
International Application No. PCT/CN2018/108158
International Filing Date 27.09.2018
IPC
C30B 29/30 2006.01
CCHEMISTRY; METALLURGY
30CRYSTAL GROWTH
BSINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
29Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
10Inorganic compounds or compositions
16Oxides
22Complex oxides
30Niobates; Vanadates; Tantalates
CPC
C30B 29/30
CCHEMISTRY; METALLURGY
30CRYSTAL GROWTH
BSINGLE-CRYSTAL-GROWTH
29Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
10Inorganic compounds or compositions
16Oxides
22Complex oxides
30Niobates; Vanadates; Tantalates
Applicants
  • 盐城市振弘电子材料厂 YANCHENG ZHENHONG ELECTRONICS MATERIAL FACTORY [CN]/[CN]
Inventors
  • 徐国忠 XU, Guozhong
Priority Data
Publication Language Chinese (ZH)
Filing Language Chinese (ZH)
Designated States
Title
(EN) LITHIUM TANTALATE SINGLE CRYSTAL ROD
(FR) TIGE MONOCRISTALLINE DE TANTALATE DE LITHIUM
(ZH) 一种钽酸锂单晶棒
Abstract
(EN)
Disclosed is a lithium tantalate single crystal rod. The lithium tantalate single crystal rod comprises a cubic body, grooves formed in two opposite side faces of the body, a plurality of sawtooth protrusions arranged on the other two opposite side faces of the body, and a through hole formed in the center of the body, wherein the through hole is parallel to the grooves and the sawtooth protrusions, respectively. Thus, when light is introduced from an end face of the single crystal rod, it can be guaranteed that the light is fully refracted and propagated in the lithium tantalate single crystal rod, and accordingly, the utilization rate of the light is increased.
(FR)
L'invention concerne une tige monocristalline de tantalate de lithium. La tige monocristalline de tantalate de lithium comprend un corps cubique, des rainures formées dans deux faces latérales du corps se faisant face, une pluralité de saillies en dents de scie disposées sur les deux autres faces latérales du corps se faisant face, et un trou traversant formé au centre du corps, le trou traversant étant respectivement parallèle aux rainures et aux saillies en dents de scie. Ainsi, lorsqu'une lumière est introduite à partir d'une face d'extrémité de la tige monocristalline, il peut être garanti que la lumière est entièrement réfractée et propagée dans la tige monocristalline de tantalate de lithium, et par conséquent, le taux d'utilisation de la lumière est accru.
(ZH)
本发明公开了一种钽酸锂单晶棒,它包括立方体形本体、开设于所述本体中两个相对侧面上的凹槽、设置于所述本体中另两个相对侧面上的多道锯齿凸起以及开设于所述本体中心处的通孔,所述通孔分别与所述凹槽和所述锯齿凸起相平行。这样当有光线从单晶棒的端面引入时能够保证其在钽酸锂单晶棒内进行充分的折射传播而提高光线的利用率。
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