发明名称 PIEZOCRYSTAL
摘要 FIELD: surface acoustic wave systems. SUBSTANCE: temperature-compensated piezocrystal has at least one flat surface. Crystal element is composed of GaPO<SB>4</SB> and its flat surface is determined by Euler angles lambda in 0 deg. region, ?? between 40 and 75 deg. (better between 50 and 60 deg.), and theta in 0 deg. region. EFFECT: improved thermal stability. 8 cl, 3 dwg
申请公布号 RU2127484(C1) 申请公布日期 1999.03.10
申请号 RU19940006806 申请日期 1994.03.02
申请人 AVL GEZEL'SHAFT FJUR FERBRENNUNGSKRAFTMASHINEN UND;MESSTEKHNIK MBKH PROF DR DR KH 发明人 VOL'FGANG VALL'NEFER;PETER VAL'TER KREMPL'
分类号 C01G15/00;H01L41/00;H01L41/16;H01L41/18;H03H9/02;H03H9/25;(IPC1-7):H03H9/25 主分类号 C01G15/00
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