Kev siv laser etching, yog siv los yaj thiab tshem tawm cov xim ntawm cov cheeb tsam tshwj xeeb ntawm txheej sab saud. Thaum cov xim raug tshem tawm, lub teeb pom kev tom qab yuav ci lub keypad hauv thaj chaw ntawd.

Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias cov keyboards roj hmab silicone feem ntau yog laser-etched los txhim kho cov teebmeem ntawm back-lighting. Txawm li cas los xij, laser etching tsuas yog ua haujlwm yog tias cov keyboards roj hmab silicone muaj back-lighting. Yog tsis muaj back-lighting, thaj chaw laser-etched lossis thaj chaw yuav tsis raug teeb pom kev zoo. Tsis yog txhua lub keyboards roj hmab silicone nrog back-lighting yog laser etched, tab sis tag nrho lossis feem ntau ntawm cov keyboards roj hmab silicone laser-etched muaj back-lighting.