http://www.3dtechtronics.com/apples-phil-schiller-says-that-screen-
guards-will-work-with-3d-touch-display/
http://goo.gl/hM11qF
缩网址
3D Techtronics写信去问了Phil Schiller关于保护贴的问题
Phil Schiller回答任何遵循标准的保护贴都不会对3D Touch造成影响
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苹果官方标准
https://developer.apple.com/resources/cases/
1.electrically conductive (具导电性)
2.must not exceed 0.3mm in thickness (厚度不超过0.3mm)
3.must not introduce air gaps between the touchscreen (萤幕与保护贴间无缝隙)