专利名称：Corrosion-proof pressure transducer发明人：Kyong M. Park,Marcos A. Nassar申请号：US09977931申请日：20011012
公开号：US20030070489A1公开日：20030417
专利附图：
摘要：A corrosion proof pressure transducer for measuring exhaust gas pressureincludes a chip with a semiconductive diaphragm, electronics, and conductive padsthereon; with leads sonically bonded to the pads. To preclude degradation of thetransducer by internal combustion engine exhaust gases, the chip may have (1) a thin
glass passivation layer, (2) a vacuum deposited polymeric coating and (3) a layer of gel,thereon.
申请人：KAVLICO CORPORATION
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