Sirivha yaimbove yakanyanya kutekeshera simbi kusvika pakati pemakore ekuma1930, apo yaive yekutanga inotaridza bhaisikopo zvinhu zvechaiyo chiridzwa chemaziso, chaiwanzoiswa kemikari mumvura. Iyo yemvura yemakemikari yeplating nzira yakashandiswa kugadzira magirazi ekushandiswa mukuvaka, uye mune iyi dhizaini yakaonda kwazvo yerata yakashandiswa kuve nechokwadi chekuti firimu resirivheri rakasungirirwa pagirazi repamusoro, iro rakachengetedzwa nekuwedzera kwekunze kwemhangura. Mukushandiswa kwekunze kwekunze, sirivha inopindirana neokisijeni mumhepo uye inorasikirwa nekupenya kwayo nekuda kwekuumbwa kwesirivha sulfide. Nekudaro, nekuda kwekukwirira kwepamusoro kwefirimu resirivheri ichangobva kuputirwa uye chokwadi chekuti sirivha inoputika zviri nyore, ichiri kushandiswa sechinhu chakajairika chekushandisa kwenguva pfupi kwezvikamu. Sirivha inowanzoshandiswa muzvikamu zvinoda kupfekedzwa kwechinguvana, senge interferometer mahwendefa ekutarisa flatness. Muchikamu chinotevera, tichabata zvakanyanya nemafirimu esirivha ane machira ekudzivirira.
Mumakore ekuma1930, John Strong, piyona wezvionioni zvemuchadenga, akatsiva mafirimu esirivha anogadzirwa nekemikari nemafirimu ealuminium akavharwa nemhute.
Aluminium ndiyo inonyanya kushandiswa simbi yekuputira magirazi nekuda kwekureruka kwayo kubuda, yakanaka ultraviolet, inooneka, uye infrared reflectivity, uye kugona kwayo kunamatira zvakasimba kune zvakawanda zvinhu, kusanganisira mapurasitiki. Kunyangwe iyo yakatetepa oxide layer inogara ichiumbwa pamusoro pemagirazi ealuminium pakarepo mushure mekuputira, iyo inobatsira kudzivirira kuwedzera kukororo kwegirazi repamusoro, kutaridzika kwemagirazi ealuminium kuchiri kuderera zvishoma nezvishoma panguva yekushandiswa. Izvi zvinodaro nekuti mukushandiswa, kunyanya kana girazi realuminium rakanyatso kuratidzwa kubasa rekunze, guruva netsvina zvinounganidzira pagirazi repamusoro, nokudaro kuderedza kutaridzika. Kuita kwezviridzwa zvakawanda hakukanganisi zvakanyanya nekuderera kudiki kwekuratidzira. Nekudaro, mune izvo zviitiko apo chinangwa chiri chekuunganidza huwandu hwakawanda hwesimba rechiedza, sezvo zvakaoma kuchenesa magirazi ealuminium pasina kukuvadza iyo firimu layer, zvikamu zvakaputirwa zvinodzokororwa nguva nenguva. Izvi zvinonyanya kushanda kune materesikopu makuru ekuratidzira. Nekuda kwekuti magirazi makuru akakura uye anorema, magirazi makuru eteresikopu anowanzo kuputirwa gore negore nemuchina wekupotera wakanyatsoiswa mucherechedzo, uye kazhinji haatenderedzwe panguva yekubuda kwemhunga, asi panzvimbo pacho akawanda evaporation masosi anoshandiswa kuve nechokwadi chekufanana kwekukora kwefirimu. Aluminium ichiri kushandiswa mumateresikopu mazhinji nhasi, asi mamwe materesikopu matsva anonyudzwa nemafirimu esimbi epamusoro anosanganisira simbi inodzivirira.
Goridhe ingangove ndiyo yakanakisa zvinhu zvekuisa infrared inoratidzira mafirimu. Sezvo kuratidzwa kwemafirimu egoridhe kunoderera nekukurumidza munharaunda inoonekwa, mukuita mafirimu egoridhe anongoshandiswa pawavelengths pamusoro pe700 nm. Kana ndarama yakanamirwa pagirazi, inoumba firimu rakapfava rinokurumidza kukuvara. Nekudaro, goridhe rinonamatira zvakanyanya kuchromium kana nickel-chromium (mafirimu anopikisa ane 80% nickel uye 20% chromium) mafirimu, saka chromium kana nickel-chromium inowanzoshandiswa se spacer layer pakati pefirimu regoridhe negirazi substrate.
Rhodium (Rh) uye platinum (Pt) reflectivity yakaderera zvikuru kupfuura mamwe masimbi ataurwa pamusoro apa, uye anoshandiswa chete mune izvo zviitiko apo pane zvakakosha zvinodiwa zvekudzivisa kuora. Mafirimu maviri esimbi anonamatira zvakasimba kugirazi. Magirazi emazino anowanzo kuputirwa nerhodium nekuti anoratidzwa kune yakaipa kwazvo mamiriro ekunze uye anofanirwa kuvharwa nekupisa. Rhodium firimu rinoshandiswawo mumagirazi edzimwe mota, dzinowanzova pamberi pezviratidziro zviri kunze kwemota, uye dzinotapukirwa nemamiriro ekunze, nzira dzekuchenesa, uye kutarisirwa zvakanyanya pakuita kuchenesa. Zvinyorwa zvekare zvakataura kuti zvakanakira rhodium firimu ndeyokuti inopa kugadzikana kuri nani pane aluminium film.
-Chinyorwa ichi chakaburitswa navacuum coating machine mugadziriGuangdong Zhenhua
Nguva yekutumira: Sep-27-2024