Invention Grant
US3536506A Temperature stable ultrasonic delay line composed of sio2 and mgf2 and method of making same
失效
由SIO2和MGF2组成的温度稳定的超声延迟线及其制造方法
- Patent Title: Temperature stable ultrasonic delay line composed of sio2 and mgf2 and method of making same
- Patent Title (中): 由SIO2和MGF2组成的温度稳定的超声延迟线及其制造方法
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Application No.: US3536506DApplication Date: 1968-08-14
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Publication No.: US3536506APublication Date: 1970-10-27
- Inventor: FRASER DAVID B
- Applicant: BELL TELEPHONE LABOR INC
- Assignee: Nokia Bell Labs
- Current Assignee: Nokia Bell Labs
- Priority: US75252368 1968-08-14
- Main IPC: C04B33/32
- IPC: C04B33/32 ; H03H9/36 ; C04B35/04 ; C04B35/20
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