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本帖最后由 shark4685 于 2015-4-16 14:42 编辑 - J' b8 T) [7 Q' ^ m& o9 ^& x3 l D, o
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光和电容传感器# Q$ I- C; r9 Z* h$ k
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2.模型 0.4mm pitch, 0.1mm depth for fingerprint pattern\stripe 藍寶石(Sapphire, Al2O3), Dk=9.3, thickness=0.43mm for cover glas 3.C Matrix of 12x12 Array 12x12 pixels for 1.42x1.42mm2 & F+ X! \/ w4 A3 U/ ^
The capacitor distribution (C induced between sensing array and fingerprint) The capacitor distribution (C induced between sensing array and fingerprint)
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file:///c:/DOCUME~1/ADMINI~1/LOCALS~1/APPLIC~1/360CHR~1/Chrome/USERDA~1/Temp/FING%2~1.GIF ![]()
4.Add a Mesh Plane for ESD Protection This is a 16x16 array and insert a grounding mesh plane between finger and sensing array.
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