A shekara ta 1951, kamfanin 3M a Amurka ya kera takarda ta thermal, bayan fiye da shekaru 20, saboda matsalar fasahar chromosomal ba a warware ta yadda ya kamata ba, ci gaban ya yi kadan.Tun 1970, da miniaturization na thermal m abubuwa, da haɓaka na fax inji da kuma ci gaban da sabon colorless dyes sun yi nasara.Anyi amfani da takarda ta thermal wajen yin rikodin gumaka, abubuwan da ake amfani da su na kwamfuta da kuma na'urar buga takardu.
A cikin kusan rabin karni masu zuwa, tare da haɓakar tattalin arzikin kasuwa, an yi amfani da takarda mai zafi a hankali a kan tsarin tsabar kudi na manyan otal-otal, bugu na umarni na bayarwa, alamun bayyanar, alamun shayi na madara da sauran filayen.
To ta yaya ake samar da takarda mai zafi?
Da fari dai, ya zama dole a yi amfani da takarda na tushe tare da m barbashi sigogi na farko procoatating, samar da farkon procoatating;Bayan bushewa, an yi amfani da suturar da aka yi amfani da shi tare da ƙananan ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar cuta don na biyu pre-shafi, kafa na biyu pre-shafi;Bayan bushewa sake, na biyu pre-shafi a kan surface shafi, samuwar surface shafi, a karshe, takarda yi na iya zama.
Lokacin aikawa: Yuli-25-2022