04. Iav Txhuam

Iav etching comprises cov hom kev kawm ntawm tsim daim duab rau ntawm lub iav los ntawm kev thov acidic, caustic, lossis abrasive tshuaj.

Feeb ntau , qhov no yog ua tiav tom qab iav raug cua tshuab los yog cam khwb cia, txawm tias pwm-etching tau hloov qee cov ntaub ntawv ntawm qhov hluav taws kub etching. Qhov tshem tawm cov nqi ntawm cov iav ua rau cov yam ntxwv ntxhib ntiav thiab txhais tau zoo ntawm frosted iav.

Ntau cov hom kev kawm yog siv los ua ib thaj tsam nyob rau hauv iav, seb puas muaj cov duab zoo nkauj, los sis tsuas yog tsim kom muaj ib lub duab ci, uas muaj xws li kua qaub, kua ntoo ua kua, txhuam, iav, pwm etching thiab frost etching.