The Inner-type Rubber-Contact futures high actuation force, high stroke, good click feeling and waterproofing. Contact is available from gold plated contact pill and low resistance carbon pill. Also there is HG-Type available which back lit function and soft feeling. Inner-Type Gold plated contact

Sectional View:

	Designation Material  a. Rubber contact Silicone rubber  b. Contact:   gold plated, low resistance carbon, carbon, DCP -  c. Printed circuit board -  d. Contact(board side) -
It is available to design dom and contact in RC.

Functions of Shin-Etsu Rubber-Contact:

Function/type Inner-type  Contact Carbon Contact Conductive rubber Conductive print Metal Contact Gold plating  Dome Non-click Click Over-stroke click PET dome  Key top printing Key top suface printing *1 Back side printing  Key top Coating *2 Standard coat (OC) Semi-hard coat (SH) Hard coat(HH)  Metallic tone Key top printing Semi-hard coat (SH)  Lighting Key top lighting Highlight graphics  Light storage Key top light storage  Antibacterial   Material of specific gravity (White color only) :Mass production is possible. :Prototype production is possible. :Under study. :Under study. *1:The Rubber-Contact cannot be manufactured for some key top profiles and under other conditions. *2:Only the uppermost surface of the key top can be processed. However, the total surface can be processed for semi-hard (SH) products.

Resistance Test Results Versus Oil, Chemicals and Environment Factors:

Test Item Test condition Inner-type  Environmental test  High-temperature and  high-humidity test 60, 95%RH, 240H  Temperature cycle test -20~70, 40cycles  High-temperature test 90, 240H  Low-temperature test -40, 240H<  Weather resistance test* Sunshine weather menter, 150 continuous hours Yellowish  Oil and  chemical resistance test  Alcohol Soaked in ethanol, 12 hours  Artificial fingerprint liquid Soaked in artificial fingerprint liquid, 12 hours  Hard cream Placed in a high-temperature and high-humidty tester for 240 hours with left materials applied to the key top surface.  Olive oil  Glass cleaner  Rubbing test  Methanol 100 abrasion cycles with cotton canvas moistenced with left materials prwithsed onto the key top surface with a force of 500g.  Ethanol  Toluene Swelling  Johnson Wax  Regular gasoline Swelling  Engine oil Swelling  Kerosene Swelling *Yellowing color difference data (based on Hunter's color difference method, in pursuance of JIS K7103) KTP-type: Standard product: gE=7.7, Improved product: gE=2.9, PB-N-type: gE=2.7 :Accepted *Circuit for acceptance There shall ce no cracks, breaks, peeling or other visible defects. There shall be no changes in color tone or other abnormalities. *The figures above show the changes in the characteristics under specific testing conditions, and therefore the figures are not guaranteed under actual operating conditions. Please note that the judgement will differ depending on the product specifications, and testing conditions.