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发明名称
TWO-STAGE ULTRASONIC TRAVELING WAVE DEVICE
摘要
申请公布号
US3522547(A)
申请公布日期
1970.08.04
申请号
USD3522547
申请日期
1969.02.25
申请人
TEXAS INSTRUMENTS INC.
发明人
LEWIS T. CLAIBORNE JR.
分类号
H03F13/00;H01L29/66;H01L29/84;H03F3/00;(IPC1-7):H03F3/04
主分类号
H03F13/00
代理机构
代理人
主权项
地址
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