Pente ea silevera e nang le conductive e hloekilengconductive silevera phofoke motsoako o kopanyang oa polymer, e leng motsoako oa motsoako o entsoeng ka phofo ea silevera e tsamaisang tšepe, resin ea motheo, solvent le additives.

Conductive silver slurry e na le conductivity e ntle ea motlakase le ts'ebetso e tsitsitseng.Ke e 'ngoe ea lisebelisoa tsa bohlokoa lefapheng la elektroniki le theknoloji ea microelectronic.E sebelisoa haholo ho likarolo tsa elektronike tsa quartz kristale ea potoloho, kopano e teteaneng ea potoloho ea filimi, lisebelisoa le likarolo tse ling.

Conductive silevera pente e arotsoe ka mekhahlelo e 'meli:

1) Polymer silver conductive peste (e phehiloe kapa e phekotsoe ho etsa filimi, e nang le polymer ea tlhaho e le mohato oa ho kopanya);

2) Sintered silver conductive peste (sintering ho etsa filimi, mocheso oa sintering ho feta 500 ℃, phofo ea khalase kapa oxide e le mohato oa ho kopanya)

Mekhahlelo e meraro ea silevera e tsamaisang pente e hloka mefuta e fapaneng ea likaroloana tsa silevera kapa metsoako e le li-fillers tse tsamaisang, esita le libopeho tse fapaneng sehlopheng ka seng li hloka likaroloana tse fapaneng tsa Ag joalo ka lisebelisoa tse sebetsang.Sepheo ke ho sebelisa bonyane ba phofo ea Ag tlas'a mokhoa o itseng oa ho etsa filimi ho finyella tšebeliso e phahameng ea motlakase le mocheso oa mocheso oa Ag, o amanang le ho ntlafatsa ts'ebetso ea filimi le litšenyehelo.

The conductivity ea polymer e haholo-holo e khethoa ke conductive filler silevera phofo, 'me palo ea eona ke ntlha e khethollang bakeng sa tshebetso conductive ea conductive silevera peista.Tšusumetso ea dikahare tsa silevera phofo ka bophahamo ba modumo resistivity ea conductive silevera peista ka fanoa ka liteko tse ngata, qeto ke hore dikahare tsa silevera phatsa ke molemo ka ho fetisisa ka mefuta e fapaneng ya 70% ho 80%.Liphetho tsa liteko li lumellana le molao.Lebaka ke hore ha lihlahisoa tsa silevera tsa phofo li le nyenyane, monyetla oa hore likaroloana li kopane li nyenyane, 'me marang-rang a conductive ha a bonolo ho theha;ha litaba li le kholo haholo, le hoja monyetla oa ho kopana ha likaroloana o phahame, lihlahisoa tsa resin li batla li le nyenyane, 'me resin e kopanyang likaroloana tsa silevera e khomarela, e leng se etsang hore phello ea khokahanyo e fokotsehe ka tsela e tšoanang, e le hore monyetla oa hore likaroloana li kopane. e fokotsehile, 'me marang-rang a conductive a boetse a fokola.Ha litaba tsa li-filler li fihla ka tekanyo e nepahetseng, conductivity ea marang-rang e molemo ka ho fetisisa ho ba le resistivity e nyenyane ka ho fetisisa le conductivity e kholo ka ho fetisisa. 

Reference formula one for conductive silver peste:

Foromo ea 1:

Lisebelisoa

Liphesente tse ngata

Tlhaloso ea motsoako

Hongwu Silver powder

75-82%

Conductive filler

Bisphenol/ Mofuta wa epoxy resin

8-12%

Resin

Moemeli oa ho phekola anhydride ea acid

1-3%

Hardener

Methyl imidazole

0-1%

Accelerator

Butyl acetate

4-6%

Sehlapolli se sa sebetseng

Mokelikeli o sebetsang 692

1-2%

Mohlapolli o sebetsang

Tetraethyl titanate

0-1%

Motšehetsi oa ho khomarela

Boka ba polyamide

0-1%

Moemeli oa ho rarolla mathata

Foromo ea 2 e tsamaisang peista ea silevera: phofo e tsamaisang silevera, E-44 epoxy resin, tetrahydrofuran, polyethylene glycol.

Phofo ea silevera: 70% -80%

Epoxy resin: tetrahydrofuran ke 1: (2-3)

Epoxy resin: e phekolang ke 1.0: (0.2~0.3)

Epoxy resin: polyethylene glycol ke 1.00: (0.05-0.10)

Litlhapi tse phahameng tse belang: butyl anhydride acetate, diethylene glycol butyl ether acetate, diethylene glycol ethyl ether acetate, isophorone.

Ts'ebeliso ea mantlha ea mocheso o tlase le o tloaelehileng o phekola sekhomaretsi sa silevera: se na le litšobotsi tsa mocheso o tlase o folisang, matla a holimo a tlamahano, ts'ebetso e tsitsitseng ea motlakase, 'me e loketse khatiso ea skrineng, khokahano ea conductivity ea motlakase le ea mocheso maemong a tloaelehileng a ho phekola mocheso, joalo ka. quartz crystals, infrared pyroelectric detectors, piezoelectric ceramics, potentiometers, flash tubes le shielding, tokiso ea potoloho, joalo-joalo .. E ka boela ea sebelisoa bakeng sa bonding ba conductive indastering ea lisebelisoa tsa seea-le-moea, nka sebaka sa solder paste ho finyella bonding conductive.

Khetho ea ho phekola e amana le mocheso o folisang oa resin ea epoxy.Polyamines le polythiamines hangata li sebelisetsoa ho phekola mocheso o tloaelehileng, athe li-anhydride tse nang le asiti le li-polyacids hangata li sebelisoa e le lisebelisoa tsa ho folisa mocheso o phahameng.Li-agent tse fapaneng tsa pheko li na le litlamorao tse fapaneng tsa khokahano.

Tekanyetso ea sepheko sa pheko: haeba palo ea sephekolo e nyane, nako ea ho folisa e tla atolosoa haholo kapa ho be thata ho e phekola;haeba moemeli ea phekolang haholo, e tla ama conductivity ea pente ea silevera 'me e se ke ea sebetsa hantle.

Sistimi ea epoxy le ea pheko, mokhoa oa ho khetha mokelikeli o loketseng o amana le mohopolo oa moqapi oa foromo, joalo ka ho nahana ka: litšenyehelo, phello ea dilution, monko, boima ba sistimi, ho hanyetsa mocheso oa sistimi, jj.

Tekanyetso ea diluent: haeba tekanyo ea diluent e le nyane haholo, lebelo la ho qhibiliha la resin le tla lieha 'me pente e tla ba le viscous haholo;haeba tekanyo ea diluent e le kholo haholo, ha e thuse ho fetoha ha eona le ho phekoloa.

 

 


Nako ea poso: Apr-21-2021

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