发明授权
- 专利标题: Thermal isolation for hybrid thermal detectors
- 专利标题(中): 混合热探测器的热隔离
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申请号: US268365申请日: 1994-06-30
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公开(公告)号: US5574282A公开(公告)日: 1996-11-12
- 发明人: William K. Walker , John P. Long , Robert A. Owen , Bert T. Runnels , Gail D. Shelton
- 申请人: William K. Walker , John P. Long , Robert A. Owen , Bert T. Runnels , Gail D. Shelton
- 申请人地址: TX Dallas
- 专利权人: Texas Instruments Incorporated
- 当前专利权人: Texas Instruments Incorporated
- 当前专利权人地址: TX Dallas
- 主分类号: G01J5/20
- IPC分类号: G01J5/20 ; H01L37/02 ; G01J5/06
摘要:
A hybrid thermal detector (10, 110) includes a focal plane array (20, 120), a thermal isolation structure (40, 140), and an integrated circuit substrate (60, 160). The focal plane array (20, 120) includes thermal sensors (30, 130). The thermal isolation structure (40, 140) includes untrimmed mesa-type formations (44, 146, 148) and mesa strip conductors (42, 142, 144) that provide thermal isolation, signal transport, and structural support of the focal plane array (20, 120) when mounted on the integrated circuit substrate (60, 160). Hybrid thermal detector (10) includes a common electrode (28) which provides a bias voltage to all thermal sensors (30). Hybrid thermal detector (110) has electrically isolated thermal sensors (130), each thermal sensor (130) is supported by mesa strip conductors (142, 144), which provide a bias voltage to and receive a signal voltage from the thermal sensor (130). To improve both pixel-substrate and inter-pixel thermal isolation, mesa strip conductors (42, 142, 144) and common electrode (28) may be formed from a thermally insulating material, such as cermet or a semiconductive material. Untrimmed mesa-type formations (44, 146, 148) may be anisotropically etched to remove excess mesa material and improve pixel-substrate thermal isolation.
公开/授权文献
- US4415692A Stabilized thermoplastic moulding compositions 公开/授权日:1983-11-15
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