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Lebatooa la Potoloho le Hatisitsoeng |Kenyelletso ea Silkscreen

  • 2021-11-16 10:35:32

Silkscreen ke Eng ho PCB?

Ha o etsa moralo kapa o odara ea hau liboto tsa potoloho tse hatisitsoeng , na u hloka ho lefa chelete e eketsehileng bakeng sa silkscreen?Ho na le lipotso tseo u li hlokang ho tseba hore na silkscreen ke eng?Le hore na silika e bohlokoa hakae ho hau Boto ea PCB boqapi kapa Kopano ea Boto ea Potoloho e hatisitsoeng ?Joale ABIS e tla u hlalosetsa.


Silkscreen ke eng?
Silkscreen ke lera la mesaletsa ea enke e sebelisetsoang ho khetholla likarolo, lintlha tsa teko, likarolo tsa PCB, matšoao a lemosang, matšoao le matšoao joalo-joalo.leha ho le joalo ho sebelisa silkscreen ka lehlakoreng la solder hape ha se ntho e sa tloaelehang.Empa sena se ka eketsa litšenyehelo.Ha e le hantle, sekirini sa silika sa PCB se ka thusa moetsi le moenjiniere ho fumana le ho tseba likarolo tsohle.

Enke ke enke e se nang conductive epoxy.Enke e sebelisoang bakeng sa matšoao ana e entsoe haholo.Mebala e tloaelehileng eo re e bonang hangata ke e ntšo, e tšoeu le e mosehla.Software ea PCB e boetse e sebelisa li-fonts tse tloaelehileng ka har'a li-silkscreen layers empa u ka khetha liforomo tse ling ho tsoa ho sistimi hape.Bakeng sa tlhahlobo ea silika ea setso u hloka skrine ea polyester e otlolletsoeng holim'a liforeimi tsa aluminium, mochini oa ho etsa lifoto ka laser, mochini oa ho fafatsa le lionto.

Ke eng e tla ama sekirini sa silika?

Viscosity: Viscosity e bua ka motsamao o lekanyelitsoeng lipakeng tsa masela a haufi a mokelikeli ha mokelikeli o phallang, ebe ho tla hlahisoa khanyetso ea likhohlano lipakeng tsa mekhahlelo e 'meli ea mokelikeli;unit: Pascal metsotsoana (pa.s).


Thata: Ho thatafala ha enke ka mor'a ho baka pele ke 2B, ho thatafala ha enke ka mor'a ho pepeseha ke 2H, 'me ho thatafala ha enke ka mor'a ho baka ke 6H.Ho thatafala ha pensele.

Thixotropic: enke ke gelatinous ha e eme, empa viscosity e fetoha ha e ama, e tsejoang hape e le thixotropic, anti-sagging;ke thepa ea 'mele ea mokelikeli, ke hore, boemong ba ho sisinyeha Marotholi a eona a viscosity,' me ka potlako e tsosolosa litšobotsi tsa eona tsa pele tsa viscosity ka mor'a ho lumelloa ho ema.Ka ho susumetsa, phello ea thixotropy e nka nako e telele, e lekaneng ho tsosolosa mohaho oa eona oa ka hare.Ho finyella liphello tsa boleng bo phahameng ba khatiso ea skrine, thixotropy ea enke ke ea bohlokoa haholo.Haholo-holo nakong ea squeegee, enke e ferekanngoa ho etsa hore e be mokelikeli.Phello ena e potlakisa lebelo la enke e fetang har'a letlooeng, 'me e khothalletsa khokahanyo e tšoanang ea enke e arohaneng ke letlooeng.Hang ha squeegee e khaotsa ho falla, enke e khutlela boemong bo tsitsitseng, 'me viscosity ea eona e khutlela kapele ho data ea pele e hlokahalang.

Filimi e omileng:

Sebopeho sa filimi se ommeng:

Filimi e omileng e na le likarolo tse tharo le metsoako:

Filimi ea tšehetso (filimi ea polyester, Polyester)

Photo-resist Dry Film

Sekoahelo filimi (polyethylene filimi, Polyethylene)

Lisebelisoa tse ka sehloohong

① Binder binder (resin e etsang filimi),

②Photo-polymerization monomer monomer,

③Moqapi oa lifoto,

④Polasetiki,

⑤Adhesion Promoter,

⑥ Thermal polymerization inhibitor,

⑦ Dae ea Pigment,

⑧ mokelikeli

Mefuta ea filimi e omeletseng e arotsoe ka lihlopha tse tharo ho ea ka tsoelo-pele ea filimi e omeletseng le mekhoa ea ho tlosa: filimi e omeletseng e thehiloeng ho solvent, filimi e omeletseng e qhibilihang ka metsi le filimi e omileng ea peel-off;ho ea ka morero oa filimi e omeletseng, e arotsoe ka: hanela filimi e omileng, filimi e omeletseng e koahetsoeng le filimi ea Solder mask e omileng.

Sensitivity speed: e bolela palo ea matla a khanya a hlokahalang bakeng sa photoresist ho polymerize photoresist ho theha polymer e nang le khanyetso e itseng ea ho hanyetsa tlas'a mahlaseli a mahlaseli a mahlaseli a kotsi, tlas'a boemo ba mohloli o tsitsitseng oa leseli le sebaka sa lebone , Sensitivity lebelo ke e hlahisoa e le bolelele ba nako ea ho pepeseha, nako e khuts'oane ea ho pepeseha e bolela lebelo la ts'usumetso e potlakileng.

Qeto: e bolela palo ea mela (kapa sebaka) e ka thehoang ka ho hanyetsa filimi e ommeng ka har'a sebaka sa 1mm.Qeto e ka boela ea hlahisoa ka boholo bo felletseng ba mela (kapa sebaka).

Khoele:

Net density:

Nomoro ea T: e bolela palo ea meshes ka hare ho bolelele ba 1 cm.

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