| 1. Inner-type: The Shin-Etsu Rubber-Contact futures high actuation force, high stroke and good click feeling. |
 | HG-Type characteristics back-lit key tops and soft feeling. The HG-Type Rubber Contact lights up only the letter that is illuminated, via a light-transmissitive material. The HG-type was developed and marketed by Shin-Etsu Polymer, and is the first of its kind in the world. |
 | FB-type characteristics hard feeling in spite of plastic knobs and back lit function. Also film can be printed various colors and graphics on back side of film. |
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