PTFE ƒe dzoxɔxɔ gã ƒe kasɛt nyea nu vevi aɖe le semiconductor wɔwɔ me, ke menye nusi wozãna na nusianu o. Dɔwɔwɔ veviwo: wafer-level takpɔkpɔ (plasma etching masking, CMP megbe takpɔkpɔ, CVD / PVD masking), nubabla ƒe ɖoɖowo (wire bonding fixation, soldering mask na PCBs), kple dɔwɔnuwo dzadzraɖo (anti-static roller wrapping, cleanroom dzesi). Nudidi siwo le dzadzɛ ŋutɔ: halogens siwo mesɔ gbɔ o (xea mɔ na bond pad ƒe xɔxlɔ̃), siloxanes siwo mebɔ o (<500 ppm, xea mɔ na insulating particle formation), ga ions siwo mebɔ o (<1 ppm ɖesiaɖe), ISO Class 4 cleanroom slitting/packaging, 106-109 Ω surface resistivity, kple TVOC ƒe dodo si bɔbɔ.

Nu xoxowo ƒe dzadzɛnyenye nye gɔmeɖoanyi vevitɔ na PTFE avɔ ƒe nyonyome si me dzoxɔxɔ le ŋutɔ. Ðiƒoƒowo (nu siwo susɔ siwo dzea dɔ gɔme, nusiwo wɔa dɔ ɖe anyigba dzi, ga ions, lolomedzidzenu siwo ŋu ɖiƒoƒo le) nana dzoxɔxɔ ƒe gbegblẽ kaba (kuɖɔwo, ʋuʋudedi siwo wu 260°C), anyigba siwo me meléna o siwo mesɔ o (adhesion anchor points), elektrikŋusẽ ƒe xɔxlɔ̃ dzi ɖena kpɔtɔna (dielectric ƒe bu, gbagbã ƒe ʋuʋudedi si bɔbɔ ɖe anyi), mɔ̃ ƒe ŋusẽ gbɔdzɔna (stress concentration, cracking), kple ɣie/amadede ƒe tɔtrɔ. Nu xoxo siwo le dzadzɛ ŋutɔ kpɔa egbɔ be wowɔ PTFE avɔ si wɔ ɖeka kple FDA, si nɔa agbe didi, si wɔa dɔ nyuie.

PTFE-si wotsɔ fiberglass avɔ sintering bia ɣeyiɣi si sɔ pɛpɛpɛ be woalée ɖe 370-400°C. Dzodoƒe siwo yia edzi: 30-90s (le sue) va ɖo 3-5+ min (titrime). Dzodoƒe siwo wotsɔa hatsotsowo wɔe: 5-15 min. Ne wometsɔ tsi ƒoe nyuie o naa nusiwo me mekɔ o, siwo me mekɔ o, siwo le ƒuƒuie, siwo ƒuna; ne wotsɔe ƒu gbe fũ akpa nana wòzua ɣie, wògbãna, eye aɖi si nye fluoride gas dona. Dɔwɔwɔ ƒe nyonyome: zã dzodoƒe ƒe dzoxɔxɔdzidzenu, wɔ ŋkuléle ɖe nu ŋu (si me kɔ afã kple afã, si te ŋu trɔna bɔbɔe), eye nàwɔ tepe hehe dodokpɔwo. Kpɔ egbɔ ɣesiaɣi be dzoxɔxɔ si ƒe titrime bliboa sɔ.

Atikewɔwɔ-grade PTFE dzoxɔxɔ gã tape ƒoa biocompatible PTFE substrate kple platinum-cured silicone adhesive. Nu vevi siwo le eme: Ewɔ ɖeka kple ISO 10993 (lãmenugbagbeviwo ƒe aɖi, seselelãme, alo dzikudodo aɖeke mele eme o), ete ŋu nɔa te ɖe vidzidzi enuenu (steam/EO/gamma), dzoxɔxɔ si te ŋu nɔa te ɖe dzoxɔxɔ si nye 260°C nu. Kpɔ nyuie: mègawu 260°C (dzudzɔ si me aɖi le si wu 300°C), gamma keklẽ ate ŋu ana wòagbã, aɖo kpe vidzidzi ƒe mɔnuwo dzi, eye nàbia be woaŋlɔ sedziwɔwɔ ŋuti nuŋlɔɖi blibo (ISO 10993 ƒe nyatakakawo, MSDS, tsitsi ŋuti nyatakakawo). Menye na ʋudodo tẽ alo nusi wotsɔ dea lãme na ame zazã o negbe ɖe woda asi ɖe edzi koŋ hafi.

PTFE avɔ si me dzoxɔxɔ le ŋutɔ hiã be woalé ŋku ɖe eŋu nyuie be woakpɔ egbɔ be ele dedie eye wòanɔ agbe didi. Mɔxexeɖenu veviwo: mègawu 260°C gbeɖe o (ne wu 320°C naa dzudzɔ si me aɖi le dona), mègaƒo asa na ʋuʋudedi ɖaɖɛwo (egbãa nusi wotsɔ blae, enaa fiberglass dona), mègakɔ nu ŋu o (ga ƒe lãfu gblẽa nu le nusi meléna o ŋu), dzra dzoxɔxɔ ƒe kekeɖenudɔa ɖo (exea mɔ na eƒe vuvu), eye nàɖɔlii ne ʋuʋudedi alo ʋuʋudedi le eŋu. Fiase si woxatsa, si le adzɔge tso UV gbɔ. Do asigɛ siwo xea mɔ na dzoxɔxɔ ne èle wo zãm.

PTFE avɔ si me dzoxɔxɔ le ŋutɔ ƒe dzoxɔxɔ ƒe kekeɖenudɔwɔwɔ (CTE) ƒe xexlẽdzesi nye 30-60 ppm/°C (warp/weft) – ekɔ wu fiberglass ɖeɖeko gake ebɔbɔ kura wu PTFE dzadzɛ (100-200 ppm/°C). PTFE toa gbeɖiɖi ƒe tɔtrɔ kpata (1-2%) me le 19°C kple 30°C ƒe akpa ƒe tɔtrɔwo me. Be nàƒo asa na buckling, tearing, kple delamination: wɔ clearances hena kekeɖenudɔwɔwɔ faa, ƒo asa na tensioning to phase transition temperatures, zã automatic tensioners ɖe conveyor belts dzi, eye nàwɔ anti-buckling overlap design. Ele vevie be woalé ŋku ɖe tsi si le sisim le vuvɔ me ŋu edziedzi.

PTFE tape gbugbɔgazã nɔ te ɖe nu ene dzi: adhesive ƒe wɔwɔme (crosslink density si lolo, silicone ƒe ʋuʋu si bɔbɔ, microphase structure for repositionable tack), substrate anchoring (anyigba dzi dɔwɔwɔ + primer be woaxe mɔ ɖe adhesive ƒe asitɔtrɔ blibo nu), megbedede (ɖe asi le ƒuƒoƒo ŋu be wòakpɔ adhesive ta le unwinding me), kple eŋudɔwɔwɔ nyuie (adhesive ƒe anyigba dzadzɛ, peeling mɔnu nyuitɔ, ƒo asa na dzoxɔxɔ si gbɔ eme). Atike siwo ŋu wotrɔ asi le siwo woate ŋu aklɔ kple tsi ate ŋu axɔ >90% ƒe tack le wo ŋu kɔklɔ vɔ megbe.

PTFE avɔ ƒe abolomegba siwo ƒe dzoxɔxɔ lolo la naa viɖe vevi ene: woƒe dɔwɔwɔ si meléna ɖe nu ŋu o (mehiã be ami alo wɔ o, abolomegba siwo me wodea nu viviwoe dona le dzadzɛnyenye me), dzoxɔxɔ si keke ta (-70°C va ɖo 260°C, ele dedie na dzodoƒe yi nufamɔ̃ me), woate ŋu azãe ake (woƒe tsatsam akpe geɖe, wo ŋu kɔklɔ le bɔbɔe), kple dzoxɔxɔ ƒe tsɔtsɔ gɔ̃ hã (exea mɔ na dzobibi, browning si da sɔ). Wonɔa agbe didi wu lãgbalẽgbalẽ siwo wotsɔa lãgbalẽ wɔe eye wowɔa dɔ wu silicon-mats siwo ƒe dzoxɔxɔ ƒe tsɔtsɔme nyo wu eye woƒe gowo ƒe nɔnɔme nyo wu.

PTFE avɔ si me dzoxɔxɔ le ŋutɔ le vevie le awuwo domedome dɔwɔƒe. Nu vevi siwo wozãna: seamless nuwuwu manɔmee conveyor belts na atraɖii fusing mɔ̃wo (xea mɔ na dzoxɔxɔ melt adhesive sticking, wrinkle-free conveying), non-stick nutsyɔnu kple padding avɔ na flat dzoxɔxɔ press (kpɔa platens ta tso adhesive ɖiƒoƒo), conveyor belts na dot paste/powder coating lines (léa adhesive dots siwo me gblẽ o me ɖe asi le ƒuƒu/sintering me), kple gayibɔ afɔkpa ƒe nutsyɔnuwo hena kpɔɖeŋu tete. Eƒe titrime tso 0.13mm (kekeli ƒe padding) va ɖo 0.55mm (heavy-duty conveyor belts).

Fiberglass avɔ ƒe dzoxɔxɔ ƒe ʋuʋu nye nu vevitɔ si gbɔ PTFE tape ƒe didime ƒe malikenyenye tsona. Le PTFE sintering dzoxɔxɔ (360-400°C) me la, woɖea asi le avɔlɔlɔ̃ ƒe nuteɖeamedzi susɔea ŋu. Ne womexe mɔ ɖe enu o la, avɔa dzi ɖena kpɔtɔna; ne woxe mɔ ɖe enu la, wotua nuteɖeamedzi ɣaɣla la ɖe eme, si wɔnɛ be wòtsina emegbe le aŋenu ƒe dɔyɔyɔ (150-200°C) kple dzoxɔxɔ si wozãna mlɔeba me. Egbɔkpɔnu: zã fiberglass si woɖo do ŋgɔ na dzoxɔxɔ si ƒe ʋuʋu <0.5% le 400°C, si ɖe nuteɖeamedzi susɔea ɖa hafi nàtsɔe atsyɔ edzi.