The HG-type of keypad is special version of the KTP-type with additional full coating with laser etched symbols and images. The coating paint used is also based on silicone rubber and has a long-life due to the degree of cross-linking with the silicone key-top. An additional coating is used for the durability.

The HG-type provides highlighted images and graphics for backlit applications. Often, the HG-type is used as an overlay and sealing in combination with separate Innertype of keypad.

The construction of the HG-type is:
1. silicone moulded shape
2. transparent coloured coating (image colour)
3. dark colour coating
4. laser cutting of symbols and images
5. protective overcoating

HG-type design examples
 Control unit of an industrial machine 
 HG-type for steeringwheel switch

Every item or numerical value indicated herein is measured by Shin-Etsu and out of guarantee.
Characteristics and graphs are for reference only. Actual resistances and forces are up to the design of substrates and assembly constructions. 
More information can be found in the design guides.
The quality of the assembled products is out of guarantee.
Please make sure to review the purpose and conditions of use and practice you own tests.
Industrial ownership like patent doesn't guarantee the usage of products.