HTC UG0B, Manual

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Model Name:
UG0B Product Name : Keyboard
3.5.6 Initial Switch Operating Characteristics (silent tactile) for Keycap Center only :
(1).Total Travel (Te) :
Total travel is defined as the vertical displacement of the key measured from rest to the
point when the force is 150 grams. Total travel shall be 1.4±0.25 mm.
(2). Drop Force (Fd) :
30%~65% of peak force (Fp) for small keys
35%~65% of peak force (Fp) for other keys
(3). Peak Force (Fp) : 60±15 grams.
(4). Return Force (Fr) :
After key switch is released, the minimum return force shall be 10 grams. After life test,
the key shall have to be lifted up with enough return force successfully
(5). No functional defect and all key can be lifted up successfully after switch life test.
3.5.7 Operation Life
OPERATION LIFE
Normal Key
Small Key
(Smaller than 1.0X)
LOADING FORCE 150g 150g
LIFE CYCLE 10M 5M