Metal dome array with 3M adhesive is one layer(3M adhesive) added in the bottom of normal metal dome array, 3M adhesive type can be made by your request.
3M adhesive metal dome array production process: double-sided adhesive-free PET–cover the 3M adhesive on one side of the PET—punch dome keys—then covered with Mylay —- punch outline — finished.
As 3M glue with much more thickness, and afford high temperature, it must be done by a mold, the laser can’t do.
A little more complex production process, coupled with the cost of 3M adhesive is also higher, so the prices of 3M adhesive metal dome array is slightly more expensive than normal.
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Tags: 3M adhesive, metal dome array