• Infrared and Laser Engineering
  • Vol. 50, Issue 3, 20200330 (2021)
Yaqin Wang, Guangyan Cai, Zhanfeng Ma, Jianfei Gao, and Li Huang
Author Affiliations
  • Wuhan Guide Infrared Co., Ltd., Wuhan 430205, China
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    DOI: 10.3788/IRLA20200330 Cite this Article
    Yaqin Wang, Guangyan Cai, Zhanfeng Ma, Jianfei Gao, Li Huang. Research of high-performance uncooled infrared focal plane array detector with common-leg structure[J]. Infrared and Laser Engineering, 2021, 50(3): 20200330 Copy Citation Text show less
    One-layer structure of microbolometer
    Fig. 1. One-layer structure of microbolometer
    Double-layer structure of microbolometer
    Fig. 2. Double-layer structure of microbolometer
    Double-layer (umbrella) structure of microbolometer
    Fig. 3. Double-layer (umbrella) structure of microbolometer
    Plane schematic (a) and 3-D diagram (b) of common-leg structure
    Fig. 4. Plane schematic (a) and 3-D diagram (b) of common-leg structure
    Layout of common-leg width with 0.35 μm and 0.5 μm
    Fig. 5. Layout of common-leg width with 0.35 μm and 0.5 μm
    Outline of micro bridge fabrication process
    Fig. 6. Outline of micro bridge fabrication process
    Components of IRFPA metallic package
    Fig. 7. Components of IRFPA metallic package
    Map of non_effective pixels
    Fig. 8. Map of non_effective pixels
    Noise histogram
    Fig. 9. Noise histogram
    NETD histogram
    Fig. 10. NETD histogram
    Responsivity histogram
    Fig. 11. Responsivity histogram
    ArrayPitch/μmFace area/μm2Leg width/μmLeg length/μmNon-uniformity of Res.Package
    Common-leg width=0.5 μm384×288121210.51201.2%metallic
    Common-leg width=0.35 μm384×288121210.351400.6%metallic
    Regular double_layer384×288121210.35700.8%metallic
    Table 1. [in Chinese]
    Yaqin Wang, Guangyan Cai, Zhanfeng Ma, Jianfei Gao, Li Huang. Research of high-performance uncooled infrared focal plane array detector with common-leg structure[J]. Infrared and Laser Engineering, 2021, 50(3): 20200330
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