Site na ọbịbịa nke oge ozi dijitalụ, ihe ndị a chọrọ maka nkwurịta okwu dị elu, nnyefe ọsọ ọsọ, na ntụkwasị obi dị elu nke nkwukọrịta na-adịwanye elu.Dị ka ihe dị oké mkpa na-akwado ngwaahịa maka electronic ozi technology ụlọ ọrụ, PCB na-achọ ndị mkpụrụ iji zute arụmọrụ nke ala dielectric mgbe nile, ala media ọnwụ ihe, elu-okpomọkụ iguzogide, wdg, na izute ndị a arụmọrụ kwesịrị iji pụrụ iche elu-ugboro ugboro. ihe eji eme ihe, nke a na-ejikarị eme ihe bụ Teflon (PTFE).Otú ọ dị, na PCB nhazi usoro, n'ihi na-adịghị mma n'elu wetting arụmọrụ nke Teflon ihe onwunwe, elu wetting site plasma ọgwụgwọ a chọrọ tupu oghere metallization, iji hụ na ezigbo ọganihu nke oghere metalization usoro.

Gịnị bụ Plasma?

Plasma bụ ụdị okwu nwere ọkachasị nke electrons efu na ion chaja, nke a na-ahụkarị na mbara igwe, nke a na-ewerekarị na ọ bụ ọnọdụ nke anọ, nke a maara dị ka plasma, ma ọ bụ “Ultra gaseous steeti”, nke a makwaara dị ka “plasma”.Plasma nwere conductivity dị elu ma jikọtara ya na mpaghara electromagnetic.

Mechanism

Ngwa nke ike (dịka ike eletriki) n'ime molekul gas na oghere oghere bụ nkukota nke electrons accelerated, na-eme ka electrons dị elu nke ụmụ irighiri ihe na atọm, na ịmepụta ion, ma ọ bụ radicals free na-arụ ọrụ nke ukwuu.N'ihi ya, ion ndị na-esi na ya pụta, free radicals na-aga n'ihu na-agbakọ ma na-agba ọsọ site na ike eletrik, nke mere na ọ na-adaba n'elu ihe ahụ, na-ebibikwa njikọ molekụla n'ime oke nke ọtụtụ microns, na-eme ka mbelata nke ụfọdụ ọkpụrụkpụ, na-emepụta ihe na-adịghị mma. n'elu, ma n'otu oge ahụ na-etolite mgbanwe anụ ahụ na nke kemịkal nke elu dị ka otu ọrụ nke gas mejupụtara, na-eme ka ike ejikọta ọla kọpa-plated, decontamination na mmetụta ndị ọzọ.

A na-ejikarị oxygen, nitrogen, na Teflon gas eme ihe na plasma dị n'elu.

Nhazi Plasma eji na ubi PCB

• Mgbidi oghere mgbe ọ gbasasịrị, wepụ ihe mkpofu mgbidi oghere;
• Wepu carbide mgbe laser mkpọpu oghere kpuru;
• Mgbe e mere ahịrị dị mma, a na-ewepụ ihe fọdụrụ nke ihe nkiri akọrọ;
• A na-arụ ọrụ n'elu mgbidi oghere ahụ tupu etinye ihe Teflon na ọla kọpa;
• Mgbalite elu n'ihu lamination efere dị n'ime;
• Nhicha tupu imi ọla edo;
• Mgbalite elu tupu ihicha na ihe nkiri ịgbado ọkụ.
• Gbanwee ọdịdị elu dị n'ime na wetting, melite ike njikọ interlayer;
• Wepu corrosion inhibitors na welding film residues;

Chaatị dị iche nke mmetụta mgbe nhazi

1. Nnwale mmụba nke hydrophilic

2. SEM na-ekpuchi ọla kọpa na oghere mpempe akwụkwọ RF-35 tupu na mgbe ọgwụgwọ plasma gasịrị

3. Ntụnye ọla kọpa n'elu oche PTFE Base tupu na mgbe mgbanwe plasma gasịrị

4. The Solder mkpuchi ọnọdụ nke elu nke PTFE base board tupu na mgbe plasma mgbanwe

Nkọwa nke omume plasma

1, Ọgwụgwọ arụ ọrụ nke ihe Teflon

Ma ndị injinia niile na-etinye aka na metallization nke oghere ihe onwunwe polytetrafluoroethylene nwere ahụmahụ a: iji ndị nkịtị. FR-4 multi-layer biri ebi sekit osisi oghere metalization nhazi usoro, adịghị aga nke ọma PTFE oghere metalization.N'ime ha, ọgwụgwọ mbụ nke PTFE tupu ntinye ọla kọpa kemịkal bụ nnukwu ihe isi ike na nzọụkwụ dị mkpa.Na ebighị ọgwụgwọ nke PTFE ihe tupu chemical ọla kọpa deposition, ọtụtụ ụzọ nwere ike iji, ma na dum, ọ nwere ike na-ekwe nkwa àgwà nke ngwaahịa, adabara uka mmepụta nzube bụ ndị na-esonụ abụọ:

a) Usoro nhazi nke kemịkalụ: sodium metal na radon, mmeghachi omume na ihe mgbaze na-abụghị mmiri dị ka tetrahydrofuran ma ọ bụ glycol dimethyl ether ngwọta, nguzobe nke nio-sodium complex, sodium ọgwụgwọ ngwọta, nwere ike ime ka elu atọm nke Teflon na. oghere na-impregnated, iji nweta nzube nke wetting oghere mgbidi.Nke a bụ usoro a na-ahụkarị, mmetụta dị mma, ịdị mma kwụsiri ike, a na-ejikarị eme ihe.

b) Usoro ọgwụgwọ Plasma: usoro a dị mfe iji rụọ ọrụ, nkwụsi ike na nke a pụrụ ịdabere na ya, dị mma maka mmepụta ihe dị ukwuu, iji mmepụta usoro ihicha plasma.Ngwọta ọgwụgwọ nke sodium-crucible nke a kwadebere site na usoro ọgwụgwọ kemịkalụ siri ike ịmepụta, oke toxicity, ndụ ndụ dị mkpirikpi, ọ dị mkpa ka ịmepụta ya dịka ọnọdụ mmepụta si dị, nchekwa dị elu chọrọ.Ya mere, ugbu a, ịgbalite ọgwụgwọ nke elu PTFE, usoro ọgwụgwọ plasma ndị ọzọ, dị mfe iji rụọ ọrụ, ma na-ebelata ọgwụgwọ nke mmiri mkpofu.

2, oghere mgbidi cavitation / oghere mgbidi resin mwepu mwepu

Maka nhazi bọọdụ sekit ebipụta multi-layer FR-4, mkpọpu CNC ya mgbe oghere resin resin gachara na mwepụ ihe ndị ọzọ, na-ejikarị ọgwụgwọ sulfuric acid, ọgwụgwọ chromic acid, ọgwụgwọ alkaline potassium permanganate, na ọgwụgwọ plasma.Otú ọ dị, na mgbanwe e biri ebi sekit osisi na isiike-mgbanwe e biri ebi sekit osisi na-ewepụ mkpọpu unyi ọgwụgwọ, n'ihi ọdịiche dị na ihe e ji mara, ma ọ bụrụ na ojiji nke n'elu chemical ọgwụgwọ ụzọ, mmetụta adịghị mma, na ojiji nke plasma. ka igwu unyi na concave mwepụ, ị nwere ike nweta a mma oghere mgbidi roughness, na-eme ka dara plating nke oghere, ma nwekwara a "atọ-akụkụ" concave njikọ àgwà.

3, Mwepụ nke carbide

Usoro ọgwụgwọ Plasma, ọ bụghị naanị maka ụdị ọgwụgwọ mmetọ mmetọ dị iche iche doro anya, kamakwa maka ihe ndị mejupụtara resin na micropores na-emetọ mmetọ mmetọ, ma gosipụtakwa ịdị elu ya.Tụkwasị na nke ahụ, n'ihi ụbara mmepụta ihe maka bọọdụ sekit e biri ebi nke Layered Multi-Layer Printer nwere njupụta dị elu, a na-arụpụta ọtụtụ oghere kpuru ìsì site na iji teknụzụ laser, nke bụ ngwaahịa sitere na ngwa ngwa oghere oghere laser - carbon, nke kwesịrị ewepụrụ tupu usoro nhazi nke oghere.N'oge a, teknụzụ ọgwụgwọ plasma, n'egbughị oge iburu ibu ọrụ nke iwepu carbon.

4, Ime tupu nhazi

N'ihi na-abawanye mmepụta ina nke dị iche iche e biri ebi sekit mbadamba, kwekọrọ ekwekọ teknụzụ chọrọ bụkwa elu na elu.The esịtidem pretreatment nke mgbanwe e biri ebi sekit osisi na isiike mgbanwe e biri ebi sekit osisi nwere ike dịkwuo elu roughness na ebighị ogo, dịkwuo ike njikọ n'etiti n'ime oyi akwa, na-enwekwa oké mkpa iji melite mkpụrụ nke mmepụta.

Uru na ọghọm dị na nhazi plasma

Nhazi Plasma bụ ụzọ dị mma, dị mma na nke dị elu maka mkpochapụ na azụ etching nke bọọdụ sekit e biri ebi.Ọgwụgwọ Plasma dabara adaba maka ihe Teflon (PTFE) n'ihi na ha anaghị arụ ọrụ kemịkalụ na ọgwụgwọ plasma na-arụ ọrụ.Site na igwe na-emepụta ihe dị elu (nke a na-ahụkarị 40KHZ), a na-emepụta teknụzụ plasma site na iji ike nke ọkụ eletrik kewaa gas nhazi n'okpuru ọnọdụ oghere.Ndị a na-akpali ikuku nkewa na-adịghị akwụsi ike nke na-agbanwe ma na-atụ bọmbụ n'elu.Usoro ọgwụgwọ dị ka nhicha UV dị mma, ịgbalite, oriri na crosslinking, na polymerization plasma bụ ọrụ nke ọgwụgwọ elu plasma.Usoro nhazi nke Plasma bụ tupu a na-egwupụta ọla kọpa, tumadi ọgwụgwọ nke oghere, usoro nhazi plasma n'ozuzu bụ: ịkụ ala - ọgwụgwọ plasma - ọla kọpa.Ọgwụgwọ Plasma nwere ike dozie nsogbu nke oghere oghere, ihe fọdụrụnụ, njikọ eletrik adịghị mma nke oyi akwa ọla kọpa n'ime na nrụrụ zuru oke.Kpọmkwem, ọgwụgwọ plasma nwere ike wepụ ihe resin n'ụzọ dị irè na usoro mkpọpu mmiri, nke a makwaara dị ka mmetọ mkpọpu.Ọ na-egbochi njikọ nke oghere ọla kọpa n'ime oyi akwa ọla kọpa n'oge metalization.Iji meziwanye ike njikọ dị n'etiti plating na resin, fiberglass na ọla kọpa, a ghaghị iwepụ slags ndị a dị ọcha.Ya mere, plasma degenluing na corrosion ọgwụgwọ na-eme ka njikọ eletrik dị mgbe nkwụnye ọla kọpa gasịrị.

Igwe Plasma na-enwekarị ọnụ ụlọ nhazi nke ejidere na oghere ma dị n'etiti efere electrode abụọ, nke ejikọrọ na generator RF iji mepụta ọnụ ọgụgụ dị ukwuu nke plasma n'ime ụlọ nhazi.N'ime ụlọ nhazi dị n'etiti efere electrode abụọ ahụ, ntọala nha anya nwere ọtụtụ ụzọ abụọ nke oghere kaadị dị iche iji mepụta oghere ebe nchekwa maka multi-gram nwere ike ịnweta bọọdụ sekit nhazi plasma.N'ime usoro nhazi plasma dị ugbu a nke bọọdụ PCB, mgbe etinyere mkpụrụ osisi PCB n'ime igwe plasma maka nhazi plasma, a na-edobe mkpụrụ PCB nke dabara n'etiti oghere kaadị ikwu nke ụlọ nhazi plasma (ya bụ, akụkụ nke nwere nhazi plasma). bọọdụ sekit), a na-eji plasma na plasma na ọgwụgwọ plasma nke oghere dị na mkpụrụ PCB iji meziwanye mmiri nke oghere ahụ.

Plasma igwe nhazi oghere oghere dị obere, ya mere, n'ozuzu n'etiti abụọ electrode efere nhazi ụlọ ka atọrọ na anọ ụzọ abụọ nke megidere kaadị efere grooves, ya bụ, guzobe nke anọ blocks nwere ike nabata plasma nhazi circuit osisi ndo oghere.N'ozuzu, nha nke grid ọ bụla nke oghere ndo bụ 900mm (ogologo) x 600mm (ịdị elu) x 10mm (obosara, ya bụ ọkpụrụkpụ nke osisi), dị ka usoro nhazi plasma bọọdụ PCB dị ugbu a, oge ọ bụla Bọọdụ nhazi plasma. nwere ikike nke ihe dịka 2 flat (900mm x 600mm x 4), ebe oge nhazi nke plasma ọ bụla bụ awa 1.5, si otú a na-enye ikike otu ụbọchị ihe dịka 35 square mita.Enwere ike ịhụ na ikike nhazi plasma nke bọọdụ PCB adịghị elu site na iji usoro nhazi plasma nke osisi PCB dị ugbu a.

Nchịkọta

A na-eji ọgwụgwọ Plasma eme ihe na efere dị elu, HDI , Nchikota siri ike na nro, karịsịa maka ihe Teflon (PTFE).Ikike mmepụta dị ala, ọnụ ahịa dị elu bụkwa ihe ọghọm ya, mana uru ọgwụgwọ plasma na-apụtakwa ìhè, ma e jiri ya tụnyere usoro ọgwụgwọ elu ndị ọzọ, ọ na-agwọ ọrịa Teflon, meziwanye hydrophilicity ya, iji hụ na metallization nke oghere, ọgwụgwọ oghere laser, mwepụ nke ziri ezi akara fọdụrụ akọrọ film, roughing, tupu ike, ịgbado ọkụ na silkscreen agwa pretreatment, ya uru bụ irreplaceable, na nwekwara dị ọcha, gburugburu ebe obibi enyi na enyi e ji mara.