Jiangsu Aokai New Materials, si nye PTFE ƒe dzoxɔxɔ gã ƒe kasɛt wɔla bibi aɖe, ma dɔnyala ƒe mɔfiamewo. Ne wozãe le vacuum coating, vacuum dzoxɔxɔ dɔdamɔnu kple vacuum nɔnɔme bubuwo me la, PTFE high-teature tape ƒe dɔwɔwɔ ƒe nudidi veviwo to vovo kura ne wotsɔe sɔ kple yame ƒe dɔwɔwɔ. Ya si dona le eme si mebɔ o, ya si me dzoxɔxɔ mele o kple dzadzɛnyenye si loloe nye nu vevitɔwo. Woŋlɔ dzesi vevi siwo ŋu woada asɔ le la ɖi ale:
1. Vacuum Outgassing Nɔnɔme (Dzesi Vevietɔ Wu) .
Esiae nye dɔwɔwɔ ƒe dzesi vevitɔ na vacuum dɔwɔwɔwo. Le nyaƒoɖeamenu sue kple dzoxɔxɔ gã me la, kasɛt la aɖe ya si me dzoxɔxɔ le, si gblẽa nu le ya si me ya mele o ŋu. Nusiwo me dzoxɔxɔ le siwo ƒo ƒu ƒoa ɖi nukpɔkpɔ ƒe akpawo, nusiwo wotsɔna ƒua gbe kple nusiwo wotsɔ wɔa dɔe, si wɔnɛ be nusiwo wotsɔ blaa nu siwo me afu le, film la meléna nyuie o eye wogbea nusi wowɔ keŋkeŋ gɔ̃ hã.
· Total Mass Loss (TML): Nudidi bliboa TML ≤ 1.0%; dɔwɔwɔ siwo le ɖoɖo nyui nu abe yamenutomeyimɔ̃ kple nukpɔkpɔ dɔwɔƒewo bia TML ≤ 0.5%.
· Nusiwo Woate Ŋu Aƒo ƒu (CVCM): Wokpɔa wo dzi vevie, zi geɖe la, CVCM ≤ 0.1%; nɔnɔme siwo me kɔ ŋutɔ bia be CVCM nanye ≤ 0.01%.
2. Dzoxɔxɔ ƒe Tsitretsitsi ƒe Dzeside
· Subɔsubɔdɔ ƒe dzoxɔxɔ si yia edzi: PTFE-si wofa fiberglass substrate si le PTFE tape ate ŋu anɔ te ɖe ɣeyiɣi didi ƒe keklẽ le 260°C. Gake ele be woaɖo kpe dzoxɔxɔ si te ŋu nɔa te ɖe nusi wotsɔ léa nu ɖe nu ŋu la dzi le ɣeyiɣi ɖeka me. Silicone PSA si wozãna ɖaa naa dzoxɔxɔ te ŋu nɔa te ɖe dzoxɔxɔ nu atraɖii le 200°C lɔƒo, gake silicone-nulénu si wɔa dɔ nyuie ate ŋu aɖo 260°C.
· Dzoxɔxɔ ƒe kɔkɔƒe si nɔa anyi ɣeyiɣi kpui aɖe: Kpɔe ɖa be dzoxɔxɔ ƒe kɔkɔƒe si nɔa anyi enumake le dɔwɔwɔ me wu dzoxɔxɔ ƒe seɖoƒe si woɖo na kasɛt la ɣeyiɣi kpui aɖe (zi geɖe la, ≤300°C). Dzoxɔxɔ si gbɔ eme ana carbon nazu carbon eye wòagblẽ nusi wotsɔ léa nu ɖe nu ŋu, si ana ɖiƒoƒo sesẽ nanɔ vacuum chamber la me. De dzesii: Ne dzoxɔxɔ si wotsɔa dzoxɔxɔnamɔ̃ wɔe ƒe dzoxɔxɔ wu 260°C sã la, PTFE-kaɖi megawɔa dɔ o; woaxɔ polyimide (Kapton) tape alo aluminum foil tape ɖe eteƒe.
3. Adhesive Ƒomevi & Kɔkɔ-Dzoxɔxɔ Léle Ŋusẽ
· Adhesive ɖoɖo tiatia: Silicone nyaƒoɖeamenu-sensitive adhesive nye tiatia vevitɔ na vacuum dɔwɔwɔwo le eƒe dzoxɔxɔ tsitretsitsi deŋgɔ ta. Ke hã, siloxane gbogbo aɖewo le silicone-nulénu dzrowo me, siwo ƒe molecule mebɔ o, siwo trɔna le ya si me dzoxɔxɔ le me eye woƒoa ɖi dɔwɔwɔwo, vevietɔ nukpɔkpɔ ƒe anyigbawo kple teƒe siwo elektrikŋusẽ doa ka kple wo nɔewo. Eyata ehiã be woawɔ silicone adhesive alo non-silicone adhesive ƒe atike siwo ŋu wokɔ etɔxɛe.
· Dzoxɔxɔ gã ƒe ŋusẽ si léa nu ɖe te: Le vacuum kple dzoxɔxɔ gã ƒe nɔnɔme siwo wotsɔ ƒo ƒui me la, creep, edge lifting alo full peeling of the tape axe vacuum pipelines tẽ eye wòahe ɖiƒoƒo dzɔtsoƒe yeyewo vɛ. Ele be woaɖo kpe shear holding ɣeyiɣi didi le dɔwɔwɔ ƒe dzoxɔxɔ dzi.
4. Dzadzɛnyenye & Ionic Ðiƒoƒo
· Dzadzɛnyenye ƒe ɖekawɔwɔ: Mele be kaƒomɔ̃a nanye esi me ka si me ka kple lãgbalẽ le le eƒe go siwo wotso la me manɔ o. Wolɔ̃a kasɛt siwo wowɔ le xɔ siwo me dzadzɛnyenye le me.
· Ionic ƒe agbɔsɔsɔ si le sue: Le vacuum dɔwɔwɔwo le semiconductor kple MEMS dɔwɔƒewo gome la, halogen ions (Cl) kple metal ions (Na, K) siwo le tape la me adza le dzoxɔxɔ gã me, agblẽ nutomewo alo atrɔ doping ƒe agbɔsɔsɔ. Bia ionic extractables dodokpɔ ŋuti nyatakakawo tso nudzralawo gbɔ.
· Zero silicone oil migration: To vovo na condensable volatiles, free silicone ami si le adhesives me ate ŋu atso anyigba dzi eye wòana kpododonu le emegbe kadodo kple welding dɔwɔwɔwo. Tsɔ zero silicone oil migration grade na dɔ veviwo wɔwɔ.
5. Anyigbadzi Anti-Static Dɔwɔwɔ
PTFE nye nusi wotsɔ xea mɔ na ya geɖe le dzɔdzɔme nu. Static charge ƒoa ƒu ɖe eƒe anyime bɔbɔe to friction alo eɖeɖe le vacuum chambers me. Elektrikŋusẽ ƒe dodo ate ŋu agblẽ nu le elektrɔnikmɔ̃ ƒe akpa siwo sea veve ŋu alo ahe ɖiƒoƒo suesuesuewo vɛ.
· Fiadzesi ƒe nudidi: Le akpoxɔnu kple takpɔkpɔ na elektrikŋusẽ-sensitive nutowo, anti-static PTFE tape hiã kple anyigba dzi tsitretsitsi tso 106 ~ 109 Ω / sq, eye ele be woalé anti-static dɔwɔwɔ si li ke me ɖe asi le dzoxɔxɔ gã ƒe ɖeɖefia megbe.
6. Plasma & Atikewo ƒe Tsitretsitsi
· Plasma ƒe tsitretsitsi: Le sputtering kple PECVD ƒe dɔwɔwɔwo me la, woaŋlɔ tape si wotsɔ de plasma yamenutome, si ana fluorine free radicals siwo ƒoa ɖi film siwo woda ɖe anyigba eye wogblẽa vacuum chambers la ɖe go. Da alesi woate ŋu azãe kpɔ do ŋgɔ, alo nàtrɔ ɖe polyimide tape si te ŋu nɔa te ɖe plasma nu wu ŋu ne ehiã.
· Atikewo ƒe tsitretsitsi: Ami ƒe dzoxɔxɔ si susɔ kple atike siwo wotsɔna klɔa nu ŋu ate ŋu anɔ anyi le dzoxɔxɔ ƒe dɔwɔwɔ le vacuum me; adhesive kple substrate siaa natsi tre ɖe vuvu kple atikewo ƒe dɔwɔwɔ ŋu.
7. Dimensional Liƒo & Dzoxɔxɔ Shrinkage Rate
Dzoxɔxɔ ƒe ʋuʋu fũ le dzoxɔxɔ gã me ana nu siwo wotsɔ nutsyɔnu tsyɔ nu nu la nadze alo ana ʋuʋudedi siwo léna ɖe nu ŋu nado, si agblẽ nu le nutsyɔnu la ƒe nyateƒetoto kple alesi wòawɔ ɖeka kple wo nɔewo ŋu.
· Dzesi ƒe nudidi: To dzoxɔxɔ ƒe ʋuʋu ŋuti nyatakaka siwo adzɔnuwo wɔlawo na (wodoe kpɔ le miniti 30 megbe le 260°C megbe). Premium vacuum-grade tape ɖoa shrinkage si mede 2% alo esi bɔbɔ wu gɔ̃ hã gbɔ.
Tiatia ƒe Aɖaŋuɖoɖowo ƒe Kpuie
Ne èle PTFE ƒe dzoxɔxɔ gã ƒe kasɛt ƒlem na yaƒoƒo ƒe nɔnɔmewo la, dzoxɔxɔ ƒe tsitretsitsi ɖeɖe mesɔ gbɔ o. Bia ASTM E595 outgassing dodokpɔ ŋuti nyatakakawo tso nudzralawo gbɔ, gblɔ vacuum subɔsubɔ ƒe nɔnɔmewo eme kɔ eye nàbia etɔxɛe low-outgassing tapes kple silicone adhesive si ŋu wokɔ. Le nuwɔwɔ ƒe ɖoɖo veviwo gome la, wɔ coupon dodokpɔ suewo be nàdzidze nyaƒoɖeamenu ƒe tɔtrɔ ƒe akpa aɖe le vacuum gauges dzi eye nàda ɖiƒoƒo si ate ŋu anɔ nusiwo wowɔ vɔ ŋu akpɔ.
