Insay sɛmikɔndɔkta fabrikeshɔn, dɛn kin mɛzhɔ kɔntaminɛshɔn insay pat pan wan milyɔn ɛn patikyula saiz dɛn insay maykron. wan singl stray ayɔn, wan trays volatil ɔrganik kɔmpawnd, ɔ wan maykroskɔpik patikyula kin skrap wan ɔl wef batch – we kin kɔst ɔndrɛd tawzin dɔla.
PTFE high-temperature tape , wit in ɔt resistans, kemikal inɛtnɛs, nɔ-stik sɔfays, ɛn ilɛktrik prɔpati, de ple wan impɔtant pat pan dis envayrɔmɛnt. Bɔt nɔto jɔs ɛni PTFE tep go du. Sɛmikɔndɔkta-grɛd tep dɛn fɔ mit di ɔlta-hay klin standad dɛn we pas fa fawe di wan dɛn fɔ jenɛral industrial tep dɛn.
Aokai PTFE de mek PTFE tep spɛshal fɔ sɛmikɔndɔkta aplikeshɔn dɛn. Dis gayd de kɔba tri men aplikeshɔn eria dɛn – wef-lɛvel prɔsesin, pak ɛn tɛst, ɛn ikwipmɛnt mentenɛns – ɛn di strɛng klin rikwaymɛnt dɛn we de aplay to ɛni wan pan dɛn.
Kor Aplikeshɔn Sɛnariɔs – Protɛkt Ay-Valyu Kɔmpɔnɛnt dɛn
1. Wafer-lɛvɛl prɔses protɛkshɔn
We dɛn de mek wef, di tep de wok lɛk tɛmporari protɛktiv layt fɔ divays dɛn we gɛt ay valyu.
Seamless adhesion fɔ mek di dipɔzishɔn gas nɔ go insay
Kεmikכl mεkanikal planarizεshכn (CMP) .
Shild wef baksayd frɔm slɔri ɛn abrasive debris
Resist strɔng asid, alkali, ɛn ɔksidayz ɛjɛn
2. Di we aw dɛn de pak ɛn tɛst
Lid freym / sabstret fikseshɔn: Ɔt-rɛsistant pozishɔn we di waya de bon, day atak, ɛn plastic ɛnkapsuleshɔn – de ol komponent dɛn stedi na ay tɛmpracha.
Masking fɔ wev sɔlda & riflɔ sɔlda: I de protɛkt gold finga ɛn kɔntakt pɔynt dɛn na PCB frɔm sɔlda kɔntaminɛshɔn we dɛn de du ay-tɛmpracha sɔlda prɔses.
High-temperature tape carrier sheets: Fleksibul kyaria fɔ sikyuɔr smɔl smɔl sabstret dɛn na prodakshɔn layn dɛn we nɔ de rilis patikyula ɔ rɛsɛdyu.
3. Ikwipmɛnt mentenɛns ɛn ɔgzilari yus
Anti-statik rɔla wrap: Klad transpɔt rɔla fɔ gi ay-tɛmpracha rɛsistɛns, nɔ-stik, ɛn statik-dissipativ kɔntakt sɔfays – i de mek wef nɔ pwɛl frɔm frikshɔn ɛn statik dischaj.
Klin rum tɛmporari mak & mentenɛns: Fɔ lɛbl, tɛmporari kebul fiks, ɛn smɔl smɔl ripa we nɔ introduks kɔntaminɛnt.
Dis na di standad dɛm we de difrɛns sɛmikɔndɔkta-grɛd PTFE tep frɔm jenɛral-pɔpɔs tep. If yu nɔ fala di lɔ, dat kin mek yu skrap ful batch. Aokai PTFE validet ɔl dɛn paramita ya fɔ wi sɛmikɔndɔkta-grɛd tep dɛn.
1. Raw matirial klin ɛn lɔw ɔtgas
Di tin we dɛn nid fɔ du
Wetin Mek I Impɔtant
Tipik Limit we dɛn kin gɛt
Low totכl halojen kכntεnt (dεn kin fכs we nכ gεt halogen) .
Halogens de kɔrod aluminiɔm bond pad ɛn kɔpa intakɔnekt pan chips
<900 ppm (halogen-fri: <50 ppm ɛvri wan fɔ Cl/Br)
Strikt kɔntrol fɔ di siloksan kɔntinyu
Siloxanes de volatilayz ɔnda ɔt ɛn fɔm insulating particles, we de mek di bonding failure ɛn po ilektrikal kɔntakt
Tipikli <500 ppm ɔ nɔ detektabl
Di TVOC efyushɔn dɛn we rili smɔl
Volatil ɔrganik dɛn de fɔg ɔptik kɔmpɔnɛnt dɛn ɛn kɔndens pan wef sɔfays
<50 μg/g (i de difrεnt bay di prכsεs)
Aokai PTFE not: Wi sɛmikɔndɔkta-grɛd PTFE tep dɛn fɔmulayt wit ay-puriti PTFE ɛn silikon PSA fɔ minimiz ɔtgas na tipik prɔsesin tɛmpracha (we go rich 260°C).
2. Partikul ɛn ayɔn kɔntaminɛshɔn kɔntrol
Slit ɛn pak: Dɛn fɔ dɔn am na ISO Klas 4 (ɔ ɔp) klin rum fɔ mek di patikyula tin dɛn we de kɔmɔt na di tep sɛf nɔ de kɔmɔt.
Ultra-lɔw mɛtal ayɔn kɔntinyu: Alkali mɛtal dɛn lɛk sɔdyɔm (Na+) ɛn potashɔm (K+) kin chenj di sɛmikɔndɔkta ilɛktrik kwaliti dɛn. Singl mεtal ayכn lεvεl dεm jεnarali limited to <1 ppm.
Residu-free adhesive: Nɔ sɔfayz kɔntaminɛshɔn ɔ damej to haydrofobik pasivɛshɔn layers pan wef afta tep pul.
