Prɛsishɔn Kɔmpɔnɛnt fɔ Sɛmikɔndɔkta ɛn Ilɛktronik Ikwipmɛnt: Vaykum, Klin ɛn Ɔtgas

Atikul

Jun 15, 2010

Insay atmosfɛs dɛn kin jɔj wan chɛmba pan di dimɛnshɔn, flatnɛs ɛn silin-fes rɔf. insay wan vεkyum sistεm di krayteria de chenj kכmplit wan: כtgεsin rεt, sכfayz adsכpshכn, rεsidεns insay blaynd ol dεm, εn galvanik risk usay disimilar mεtal dεm de tכch. Nɔn pan am nɔ rayt na di drɔin.

Wan Pat na Vaykum, Dɛn kin Jɔj Difrɛn we

Insay atmosfɛs dɛn kin evalyu wan aluminiɔm chɛmba pan dimɛnshɔn, flatnɛs ɛn silin-fes rɔfnɛs. Insay wan vaykum sistɛm wan difrɛn sɛt de aplay: matirial ɔtgasin rit, sɔfays adsɔpshɔn, rɛsɛdyu we trɔp insay blaynd ol, ɛn galvanik kɔrɛshɔn usay mɛtal dɛn we nɔ fiba de mit. Nɔn pan dɛn tin ya nɔ de na di drɔin, ɛn togɛda dɛn kin disayd if di chɛmba de pɔmp dɔŋ fɔ mek i want fɔ du am.

Outgassing de kכm mεntal frכm wata εn כrganik dεm we dεn adsכp pan di sכfa, plus haydrojεn we dεn sכlv insay di mεtirial. Anodising de multiply di surface area εn de tכn di oksayd to spכnj; di kulant we dɛn trɔs na blaynd ol kin kɔntinyu fɔ kɔmɔt fɔ lɔng tɛm. Fɔ prɛsishɔn kɔmpɔnɛnt dɛn we dɛn dɔn destin fɔ sɛmikɔndɔkta ikwipmɛnt, di fɔs rikwaymɛnt so nɔto akkuracy bɔt fɔ bi klin ɛn prɛdiktibɛl.

Outgassing: Surface Tritment Mats Mɔ Pas Alɔy

Na di sem 6061 aluminiɔm, bare, kemikal polish ɛn had-anodised sɔfays dɛn difrɛn pan ɔtgasing rit bay wan ɔda magnitud. Anodising nɔ de wɛr ɛn i nɔ de rɔtin, bɔt ɔnda ay vaykum i de biev lɛk spɔnj. Usay ɔtgassing impɔtant, kemikal ɔ ilɛktrɔlaytik polish plus wan ay-tɛmpracha bek-ɔut na di ɔspitul ansa.

Di siling fes na di ɔda pɔynt we dɛn kin mis. Vaykum siling de dipen pan O-ring ɔ mɛtal sil, ɛn di rɔf ɛn klin we da fes de klin de disayd di lik rit dairekt wan. Smɔl nɔ kin bɛtɛ ɔtomɛtik: fɔ polish pasmak kin pul di ebul fɔ kip di lɔbrik ɛn invayt skrach we dɛn de gɛda am. di sεns bכnd kin bi Ra 0.4 to 0.8, wit nכ skrat εn nכ εmbaded patikyula dεm.

Dɛn De Manej Klin Frɔm di Fɔs Kɔt

Dɛn nɔ de mek klin we dɛn de was di las tɛm; i de mentɛn frɔm di fɔs ɔpreshɔn. Sɔlfɔ ɛn klorin aditiv dɛn we de insay kulant de go insay di maykro-porositi na aluminiɔm ɛn i rili at fɔ pul leta. Ɔyl pan fiks, dɔst pan kɔnvaysɔ ɛn plasticiza frɔm pak ɔl kin bi kɔntaminɛshɔn sɔs na di ɛnd.

So di shɔp dɛn we de mek sɛmikɔndɔkta ɔ ilɛktroniks strɔkchɔ dɛn nid fɔ gɛt wan dediket klin layn — ɔltrasɔnik, DI rins, dray — wit monitarin we dɛn kin du ɔltɛm fɔ di wata rɛsistiviti ɛn patikyula kɔnt. We yu de ɔdit wan saplay i fayn fɔ luk da layn de: if di pat dɛn sheb wan was wit ɔdinari wok, dɛn nɔ go ebul fɔ gi garanti fɔ klin. I kin bi bak di mɔs kɔmɔn tin we kin mek pɔsin stɔp we sheet mɛtal fabrikeshɔn ɛn stamp pat dɛn kin go insay wan sɛmikɔndɔkta sapɔt chen.

Surface Finishing: Tri Prɔses, Tri Risk

Ilɛktronik strɔkchɔ dɛn kin si wan pan tri tin dɛn we dɛn dɔn dɔn: anodising, kemikal kɔnvɔshɔn kɔtin lɛk kɔnduktiv kromat, ɔ peint. Anodising de insכlet εn rεsist wear bכt i de gro di pat bay tri to et maykron pan wan fes, so di ol dεm we gεt tכd ​​nid fכ mask. Kɔnvɔshɔn kɔtin de kɔndɔkt ɛn i nɔ kin chenj di dimɛnshɔn dɛn, we fit di grɔn pɔynt dɛn. Pent na cheap bɔt i de autgas ɔnda vaykum ɔ ɔt.

Uswan pan dɛn aplay, i dipen pan di wok we i de du. Fes we fɔ grɔn nɔ go ebul fɔ anodis; wan fes we fɔ inshɔl ɛn nɔ wear nɔ go ebul fɔ abop pan kɔnvɔshɔn kɔtin nɔmɔ; ɛnitin we de nia optik fɔ avɔyd fɔ peint, we in volatil dɛn go kɔndens pan di lens. Fɔ rayt dis na di drɔin not dɛn, i nɔ dia pas fɔ wok bak leta.

Tolɛreshɔn ɛn Assembly: Dɛn Bil Fram Akkuracy, Nɔto Mashin

Na freym pat fɔ sɛmikɔndɔkta ikwipmɛnt di singl-pies tolɛreshɔn na rarely di difikulti; akumulet mistek na asembli na. Wan tu mita freym we dɛn mek wit wan duzin ɛkstrushɔn ɛn plet dɛn, we dɛn ol ɛni wan to plus ɔ mayns 0.1mm, kin gɛda tu milimita aut. Di ansa nɔto fɔ tayt ɛvri pat to 0.02mm, we de multiply kɔst, bɔt fɔ yuz matched fitting ɛn adjusting shims.

Dat min se dizayn fɔ manufakchurin rivyu gɛt fɔ separet asɛmbli dimɛnshɔn frɔm fɛnshɔn dimɛnshɔn. Asembli dimɛnshɔn kin absɔb akumulet mistek tru adjɔsta dɛn; funkshɔn dimɛnshɔn, lɛk wan rel mawntin fes, fɔ ol dairekt. Fɔ mak di tu klas dɛn apat pan di drɔin na di klia sayn fɔ machɔ strɔkchɔ drɔin.

Pakɛj ɛn Transpɔt: Klin Pat dɛn nɔ de wok di tɛm we dɛn opin am

Klin kin rich naynti nayn pasɛnt ɛn stil nɔ de wok na di say we dɛn pak am. Di tipik fayl mod pan sɛmikɔndɔkta ikwipmɛnt pat dɛn na kɔntaminɛshɔn we dɛn opin: di pat bin klin, bɔt di bag bin rilis plasticiser, dɛsikɛnt dɔst bin rɔnawe, ɔ wan pepa lɛbl bin sidɔm bitwin di tu bag layers ɛn transfa ɔltin to di sɔfa we dɛn pul am.

Wan rayt pak spɛsifikɛshɔn de kɔba 4 tin dɛn. Di layt we de insay na klin rum-grɛd dɛbul bag pas ɔdinari PE fim. Dɛn kin pul naytrɔjen ɔ vaykum di bag fɔ stɔp di adsɔpshɔn. Dɛn kin sial di dɛsikant wan bay wan so dat nɔ dɔst nɔ go kɔmɔt. Di ɔda bɔks de yuz klin rum pepa ɔ bɔbul rap instead fɔ kɔrɛkt bɔd we de kɔntakt di pat dairekt wan. Fɔ pat dɛn we nɔ gɛt gas, dɛn fɔ pul di silikon rilis ɛjɛn ɛn ɔyl anti-rɔst pepa bak.

Transpɔt nid fɔ manej bak. Di tɛmpracha ɛn di humidity swing insay wan si kɔntena kin mek kɔndenseshɔn insay di pak; wata mak dεm de fכm pan mεtal, εn כnda vεkyum dεn mak dεm de bi adsכpshכn sayt dεm. So lɔng shipmɛnt dɛn kin jɔstify humidity indikɛtɔ kad ɛn kɔntrakt inspekshɔn winda afta dɛn rich, bikɔs prɔblɛm dɛn we dɛn kin fɛn ausayd da winda de at fɔ atribyut.

Wan las pɔynt we izi fɔ mis: pak na pat pan traceability. Di bag gɛt fɔ kɛr di klin batch ɛn di de, ɔdasay wan patikyula ɛkskurshɔn na di kɔstɔma nɔ go ebul fɔ tray fɔ klin ɔ fɔ transpɔt.

Aw fɔ Skrin wan Sɛmikɔndɔkta Ikwipmɛnt Spɔlay

Tri filta dɛn. Fɔs, ikwipmɛnt: fayv-aks kapabiliti, di ebul fɔ handle pat dɛn pas tu mita, ɛn CMM inspekshɔn. Sɛkɔn, prɔses: wan dediket klin layn, wan anodising ɔ kɔnvɛnshɔn-kɔtin patna, ɛn tɔd-pati ɔtgas ɔ klin ripɔt usay nid de. Tɔd, sistɛm: ISO 9001 as di flo, RoHS ɛn CE fɔ Yuropian shipmɛnt, UL dipen pan di kɔstɔma — fɔ wan ikwipmɛnt OEM we las aytem kin ɔltɛm sɛt bay dɛn yon kɔstɔma pas bay dɛn, na dat mek i fayn fɔ aks ali.

Na smɔl saplay dɛn nɔmɔ kin pas ɔl tri wan tɛm, ɛn nid nɔ de fɔ bigin de. Bigin wit strɔkchɔ dɛn we nɔ impɔtant, gɛt di klin ɛn pak flɔ rayt, dɔn introduks impɔtant pat dɛn. Fɔ pɔsin we de bay, volyum saplai we pɔsin kin abop pan — bɔlk ɔda dɛn we dɛn kin gi di tɛm we dɛn dɔn sɛtul — kin gɛt valyu pas wan impɔtant wan-ɔf pat. Wan ikwipmɛnt bilda we de wok to wan ODM mɔdel nid da dɔkyumentri de bifo wan OEM, bikɔs di tul kwalifay ɔnda dɛn kɔstɔma in nem; ɛn wan ɔlsay distribyushɔn we nɔ ebul fɔ diskrayb di klin layn biɛn di pat dɛn de sɛl bɔks pas komponent dɛn.