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File:Topre PCBs (back) - FR-4 Glass Epoxy and FR-2 Paper Phenol.JPG

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English: Underside view of two PCBs taken from separate Topre keyboards. The green one at the top is a glass epoxy type, and the brown one is a paper phenol type. It's suspected that Topre only use the glass epoxy type for their modern keyboards.
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Source Deskthority (direct link)
Author 002
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22 September 2013

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Date/TimeThumbnailDimensionsUserComment
current20:15, 13 February 2022Thumbnail for version as of 20:15, 13 February 20222,184 × 1,456 (911 KB)DigitalIceAge{{Information | Description={{en|Underside view of two PCBs taken from separate Topre keyboards. The green one at the top is a glass epoxy type, and the brown one is a paper phenol type. It's suspected that Topre only use the glass epoxy type for their modern keyboards.}} | Source=[https://deskthority.net/wiki/File:Topre_PCBs_%28back%29_-_FR-4_Glass_Epoxy_and_FR-2_Paper_Phenol.JPG Deskthority] ([https://deskthority.net/wiki/images/2/22/Topre_PCBs_%28back%29_-_FR-4_Glass_Epoxy_and_FR-2_Paper_P...

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