PRESSURE TRANSDUCER AND PROCESS OF ITS MANUFACTURE Russian patent published in 1997 - IPC

FIELD: measurement technology. SUBSTANCE: to improve vibration resistance and heat resistance of resistance strain-measuring pressure transducer, dielectric bushing is installed in its supporting base. Contact pads 10 of strain-measuring circuit are installed on dielectric 4 positioned on surface of bushing 9. Contacts 7 of connector 6 are shifted to center of membrane 2. They are made partially as strips 11 and secured to contact pads 10 of strain-measuring circuit. When manufacturing the transducer, dielectric bushing 9 is made directly in recess 8 of flexible member 1. Simultaneously membrane 2 and bushing 9 are polished. This done, dielectric 4 is applied, and strain-measuring circuit 5 is set up. While so, part of contacts 7 positioned between connector 6 and flexible member 1 is made, length of contacts exceeding the required one. Then connector 6 is shifted on flexible member 1 and secured thereon. Connector contacts are fixed to contact pads of strain-measuring circuit after which surplus contacts made as strips 11 are removed. EFFECT: higher measurement results. 4 cl, 4 dwg