Ekiwandiiko kino kyogera ku ngeri microporous structure design of breathable Teflon (PTFE) high-temperature tape gy’egerageranyaamu okuyita kw’empewo n’eby’obugagga ebiziyiza n’obutakwata. Enkaayana z’omusingi: okuyita kw’empewo kwetaaga obutuli obuggule, ate okuziyiza kwetaaga density ate obutakwata kyetaagisa ebifo ebiseeneekerevu. Enkola za dizayini ezitebenkedde: okufuga obuwanvu bw’obuziba obwa wakati (0.1-2μm, ekisinga obulungi <0.5μm) okuziyiza okuyingira kw’okusaanuuka n’okukuuma vvulovumenti y’okumenya; okufuga obuziba ku 50-70% (≈60% optimal) okutuuka ku Gurley 20-100s/100cc n’amaanyi ga dielectric ≥2kV ku 0.13mm firimu; okwettanira ensengekera y’obutuli bw’omukutu gwa 3D ogw’obuziba obw’amaanyi (τ≈2.5-4) okunyigiriza emikutu gy’okufulumya obutereevu; okuzimba ensengekera y’obutuli obutakwatagana (asymmetric gradient pore structure) n’olususu olunene olw’okungulu (1-5μm) olw’obutakwata/okuziyiza n’obutuli munda okusobola okussa; ssaako super-oleophobic/hydrophobic surface oluvannyuma lw’okujjanjaba awatali kuzibikira pore.

Ekiwandiiko kino kiraga ebirungi ebiri mu lugoye lwa PTFE olw’ebbugumu eringi nga emikutu gy’okusengejja egy’ebbugumu eringi. Amaanyi mukaaga amakulu: Okuziyiza ebbugumu okw’enjawulo (obutasalako 260°C, entikko ~300°C), okusukka PPS (190°C) ne aramid (200°C); Obutakola bulungi mu kemiko ku asidi, alkali, ebizimbulukusa n’ebiziyiza, okugumira amazzi, okusinga aramid ne P84 mu ggaasi w’omukka ogukulukuta; Omulimu ogw’okuyonja enfuufu ogw’ekika ekya waggulu nga gulina amaanyi amatono ennyo ku ngulu nga gusobozesa okuggyawo keeki y’enfuufu okwangu n’okugwa kwa puleesa entono okuwangaala; Obulung’amu obulungi obw’okusengejja n’obunene bw’obutuli 0.1-3μm nga bukwata obutundutundu obusukka mu 99.99% obw’obutundutundu bwa PM2.5; Obutakwata muliro nga LOI eri waggulu wa 95%, nga waliwo eby’okulonda ebiziyiza okutambula (anti-static options); Amaanyi g’ebyuma aga waggulu okuva mu kunyweza fiberglass, nga emikutu gya fiber PTFE emirongoofu giwa okukyukakyuka n’obulamu bw’obuweereza obw’emyaka >4. Geraageranya bulungi ku PPS, aramid, Nomex, P84 ne fiberglass filter media okubuna ebbugumu, okuziyiza eddagala, okuziyiza hydrolysis n’omutindo gw’okwoza.

Ekiwandiiko kino kiwa eby’okugonjoola ebitegekeddwa okuziyiza ebisigadde eby’okusiiga n’okuvaamu omusaayi ogw’okusiiga nga okozesa PTFE ey’ebbugumu eringi okukuuma engalo za zaabu za PCB mu kiseera ky’okukuŋŋaanya SMT. Okwekenenya ekivaako emirandira: ebisigadde bibaawo okuva mu kulemererwa okukwatagana oba okutambuza wakati; omusaayi guva ku kugwa kw’obuzito (viscosity drop) n’okujjula kw’ekyesiiga wansi w’ebbugumu eriddamu okukulukuta. Core solution is proper tape selection: silicone PSA nga erina entikko ey’ekiseera ekitono ≥300°C, egenda mu maaso ≥260°C, obuwanvu bwonna awamu 0.08-0.13mm nga erina layers ennyimpi ezikwatagana ennyo, n’okukakasa okuziyiza omusaayi/okutaliimu bisigalira. Okufuga enkola ey’emitendera mukaaga: okuyonja nga tonnaba kukola lamination ne IPA; zero-tension lamination nga empewo efuluma mu bujjuvu; optimized reflow temperature profile nga erimu okubuguma okugonvu (<2°C/s); okusekula mu nnyonta wansi wa 50°C ku 180° angle; okukola amangu mu ssaawa 24 n’okukozesa omulundi gumu gwokka; okukwata ku kulemererwa nga bakozesa IPA wiping n’okukebera magnifier 40-50x. Ku PCB ez’enjuyi bbiri, zikyuse n’olutambi olupya nga tonnaba kukola ku ludda olw’okubiri.

Ekiwandiiko kino kiwa obulagirizi obutegekeddwa ku kuziyiza enviiri ku lugoye lwa PTFE olw’ebbugumu eringi mu kiseera ky’okusiba. Enviiri mu bukulu ziva ku kukendeera kw’ebbugumu okutali kwa kyenkanyi n’okunyigirizibwa okutakwatagana. Ebigonjoola bikwata ku nkola y’emirimu enzijuvu: okufuga ebintu ebisookerwako (raw material substrate control (okujjuza dewaxing/heat setting okumalawo situleesi ey’omunda); okufukirira n’okukala (ebizigo ebigonvu ebingi, ebbugumu erigonvu, active drive rollers); okufuga ekikoomi ky’okusiba (1-3% okuliisa okusukkiridde olw’okukkiriza okukendeera kw’ebbugumu, okufuga micro-tension ya loopu enzigale, okufuga ebbugumu ery’okusalako munda mu ±5°C, okubuguma nga tekunnabaawo-okufumbisa-okunyogoza curve mu gradient, empewo-flotation furnaces nga optimal solution, curved spreader rollers); okunyogoza n’okuteeka (okunyogoza mpolampola, kuuma okusaasaana okutuusa wansi wa 100°C, okunyogoza mu bujjuvu nga tonnazizinga); okulondoola ku yintaneeti nga bakebera ekitangaala eky’amaanyi ne sikaani ya infrared.

Ekiwandiiko kino kyekennenya engeri okulongoosa omusenyu oba okumaliriza matt gye kukosaamu ensengekera y’okungulu kw’olugoye olwa PTFE olw’ebbugumu eringi. Enkyukakyuka zibaawo mu bipimo bisatu: Enkula y’ebintu ebitonotono ekyuka okuva ku butonde obuseeneekerevu obulinga endabirwamu okudda ku butonde obuseeneekerevu obw’omugga nga emiwendo gya Ra/Rz gyeyongedde nnyo, ne kikola ensengekera z’okusiba ebyuma eby’ekika kya 3D okusobola okukwatagana oluvannyuma. Obugumu bw’okusiiga bwolekedde akabi: okugonza kw’oluwuzi lwa PTFE, okuyinza okubikkulwa kwa fiberglass substrate (ekiviirako okufiirwa eby’obugagga ebitali bya kukwata, okuyingira kw’obunnyogovu, n’okukendeeza ku maanyi g’ebyuma), n’okwongerako enjatika entonotono n’okutondebwa kw’ebisasiro.

Ekiwandiiko kino kyanjula enkola enkulu enzijuvu ey’okufukirira olugoye lwa fiberglass ne PTFE emulsion. Emitendera musanvu emikulu: 1 Okusooka okulongoosa (dewaxing/desizing) ku 350-400°C okuggyawo ebirungo ebipima obunene bw’engoye; 2 Emulsion formulation nga erimu ebitundu 40-55% ebikalu n’ebirungo ebikola ku ttaka okusobola okulongoosa okufukirira; 3 Okufukirira nga oyita mu nkola ya dip-squeeze oba okusiiga ekiso ky’omusawo; 4 Okukala ku 100-150°C okufuumuuka mpola amazzi n’okukola firimu ya PTFE enkalu; 5 Okusiba ku 360-390°C (okutuuka ku 400°C) okusaanuusa obutundutundu bwa PTFE mu firimu egenda mu maaso; 6 Multi-cycle impregnation-drying-sintering eddiddwamu emirundi 2-4 okutuuka ku target obuwanvu n’ebirimu resin (45-65%); 7 Oluvannyuma lw’okujjanjaba omuli okujjanjaba corona, okusala ku mbiriizi, okuzingulula n’okukebera omutindo. Ebifo ebikulu ebifuga: okuggyamu omubisi mu bujjuvu, okufukirira mu bujjuvu mu emulsion, okukala mpolampola, ebbugumu erituufu ery’okusiba, n’obungi bw’okusiiga obutakyukakyuka. Ebintu biweereza laminates ezibikkiddwa ekikomo eza frequency enkulu, conveyor belts ez’ebbugumu eringi n’ebintu ebikozesebwa mu kuzimba.

Ekiwandiiko kino kikwata ku bipimo ebikulu ebiraga omulimu gwa PTFE high-temperature tape ekozesebwa mu vacuum coating, vacuum heat treatment n’embeera ezifaananako bwe zityo. Ebyetaago ebikulu byawukana nnyo ku nkozesa y’empewo: okufulumya omukka kisinga kukulu (TML≤1%, CVCM≤0.1%; ebigezo by’omu bwengula/eby’amaaso byetaaga TML≤0.5%, CVCM≤0.01%); okuziyiza ebbugumu kulina okukakasibwa ku byombi PTFE substrate (260°C) ne adhesive layer; silikoni PSA erongooseddwa mu ngeri ey’enjawulo efulumya omukka omutono yeetaagibwa okuziyiza obucaafu bwa siloxane; amaanyi agakwata ku bbugumu erya waggulu gaziyiza okusitula n’okusitula ku mabbali; obuyonjo bwetaaga obutayiwa fiber ate nga n’obungi bwa ionic butono; anti-static tape (okuziyiza kungulu 106-109 Ω/sq) kuziyiza ESD okwonooneka; okuziyiza kwa pulasima kulina okwekenneenyezebwa ku nkola z’okufuuwa/PECVD; okukendeera kw’ebbugumu wansi wa 2% kukakasa nti masking precision.

Ekiwandiiko kino kyanjula ebizimbulukusa ebiramu olugoye lwa PTFE olw’ebbugumu eringi bye lusobola okugumira. Olugoye lwa fiberglass olusiigiddwa PTFE lulaga obutakola bwa kemiko obw’enjawulo, nga luziyiza kumpi ebizimbulukusa byonna ebya bulijjo eby’obutonde wansi w’embeera za bulijjo ez’okukola awatali kusaanuuka, kuzimba oba kukwatagana kwa kemiko. Ebika ebigumiikiriza mulimu: omwenge (methanol, ethanol, isopropanol), ketones (acetone, MEK, cyclohexanone), esters (ethyl acetate, butyl acetate), hydrocarbons (gasoline, toluene, xylene, hexane), halogenated hydrocarbons (dichloromethane, chloroform, carbon tetrachloride), ethers (diethyl ether, THF), asidi ez’obutonde (glacial acetic acid, formic acid), amines ne amides (triethylamine, DMF), phenols, n’ebirala nga carbon disulfide, pyridine, silicone oil n’amazzi ga buleeki.

Ekiwandiiko kino kikwata ku byetaago by’omutindo gw’okunyogoza mu kiseera ky’okusiba olugoye olw’ebbugumu eringi mu PTFE. Oluvannyuma lw’okusiba ku 380-400°C, olugoye lulina okuyita amangu mu kitundu ekiwulikika mu 310-315°C. Omuwendo gw’okunyogoza ogusemba waakiri 30-50°C/min (olugoye olugonvu lusobola okutuuka ku 100-200°C/min nga luyita mu kunyogoza kw’empewo). Okunyogoga amangu (okuzikiza) kuvaamu obutafaali obutono (45-50%), okuvaamu ebizigo ebigonvu, ebikalu nga biriko ebitundu ebiweweevu, okunywerera okw’amaanyi, okukola obulungi ennyo obutakwata, n’okuziyiza okukutuka n’okukutuka. Okunyogoza mpola (okunyogoza mu kyokero) kivaamu obutafaali bungi (60-70%), ekivaako ebizigo ebikaluba, ebikutuka ebitera okukendeera, okusekula n’okukutuka.

Ekiwandiiko kino kigeraageranya okukula kw’ebbugumu ly’ekisenge n’ebbugumu eringi ery’ekyesiiga ekikwata ku puleesa ya silikoni ku ttaapu ya PTFE. Okukula mu bbugumu eringi (120-180°C) kuleeta emikutu eminene egy’omusalaba nga girina amaanyi ag’amaanyi ag’okukwatagana, okuziyiza ebisigadde eby’okusiiga oluvannyuma lw’okusekula. Ekola enkolagana ezisiba eddagala (chemical anchoring bonds) ne PTFE substrates nga ziyita mu primer co-curing, okumalawo obulabe bw’okukutuka. Okukula mu bbugumu eringi nakyo kiggyawo ebiwunya ebirina molekyu entono nga tonnazaala, ne kiziyiza okubumbulukuka n’obucaafu bwa woyiro wa silikoni mu kiseera ky’okusooka okubugumya.