Q3D指纹识别

若华

1.简介
光和电容传感器

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

The capacitor distribution (C induced between sensing array and fingerprint)

The capacitor distribution (C induced between sensing array and fingerprint)

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.

来自圈子: 信号完整性