Protective foil (Matris line)

Keyboards with short travel switches are protected by a foil with printed layout is glued on top of the metal mask. The foil is made of high quality textured polyester film and embossed with a screen printed polyester film. It is chemical, abrasion and scratch resistant with a long flex life.

Foil properties:
: Foil material: AUTOTEX® V150
: Profile texture: velvet
: Thickness: 150µm ± 10%
: Switch life: 5*106 flexes (typical)
: Tensile strength: 160-250 MPa

KEYSWITCHES (top)

: Long travel keyswitches
: Type: Cherry MX
: Key travel: 4 +0,0/-0,4 mm
: Lifetime: 1*109 operations (typical)
: Actuating force: 60 ± 20 cN
: Contact material: AuAg10

The long travel MX switch is used in all FREE and FREE+ keyboards, all MID keyboards except KB128 and many customised keyboards.

Short travel keyswitches
: Type: OMRON B3F-4005
: Key travel: 0,3 +0,2/-0,1 mm
: Lifetime: 1*106 operations (typical)
: Actuating force: 255 ± 69 cN

The short travel B3F switch is used in the MID KB128 keyboard, all Matris keyboards and many customised keyboards.

POINTING DEVICES (top)

38mm Trackball
Trackball properties:
: Type: CursorControls P38
: Ball size: Ø38,10 mm (11⁄2”)
: Sealing type: Full floating PTFE seal
: IP protection grade: IP65 (IP54 when rolling)

50mm Trackball
Trackball properties:
: Type: Traxsys (Penny&Giles) D50
: Ball size: Ø50,80 mm (2”)

Touchpad
The touchpad is based on an electrical capacitance system which allows smooth cursor control without finger pressure. The touchpad is connected directly to the PS/2 port and it is fully compatible with standard Windows 95, 98, NT, 2000 and XP mouse drivers.

Touchpad properties:
: Type: Cirque TSM9920
: Active area: 62,5 * 46,5 mm
: Resolution: 40 counts/mm
: Sample rate: 100 samples/s
: Lifetime: 1*107 strokes (500 km) (typical)