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ʻO ka Felt Palupalu Maʻemaʻe Kiʻekiʻe
ʻO ka Felt Palupalu Maʻemaʻe Kiʻekiʻe

ʻO ka Felt Palupalu Maʻemaʻe Kiʻekiʻe


Ua hana kūikawā ʻia ka Semixlab's High Purity Soft Felt no nā noi kahua wela wela kiʻekiʻe i ka hana semiconductor. Hana ʻia mai nā precursors carbon-based kiʻekiʻe a hoʻomaʻemaʻe ʻia ma o ka hana holomua, hāʻawi kēia mea palupalu i nā pae haumia haʻahaʻa loa, ka insulation thermal maikaʻi loa, a me ka hoʻololi ʻana i ke ʻano hana. ʻO kona ʻano maʻalahi e ʻae i ka hoʻopili pololei ʻana i loko o nā hoʻolālā kahua wela paʻakikī, e hiki ai ke hoʻonui i nā gradients mahana a me nā kūlana hana paʻa. Ke kakali nei i kāu nīnau.

Description

No ke aha he mea nui ka maʻemaʻe i nā kahua wela? I ka wā e hana ai i ka hanauna ʻekolu?

ʻO nā semiconductors (SiC/GaN), nā felts insulation kuʻuna me ka nui o ka lehu (ma luna o 500ppm) e hoʻokuʻu pinepine i nā haumia metala ma nā mahana ma luna o 1600°C. Hoʻopilikia kēia i nā hemahema lattice a hoʻohaʻahaʻa i ka hua wafer.

Hele ka ʻili palupalu o Semixlab i kā mākou kaʻina hana hoʻomaʻemaʻe kemika wela kiʻekiʻe kū hoʻokahi, e hoʻohaʻahaʻa ana i ka pae haumia holoʻokoʻa i lalo o 5ppm. ʻAʻole wale kēia e hōʻoia i kahi ʻano ulu maʻemaʻe akā hāʻawi pū i ke kūpaʻa wela koʻikoʻi e pono ai no ka ulu ʻana o ke kristal pōʻaiapuni lōʻihi.

ʻO Semixlab Edge

ʻOi aku mākou ma mua o kahi mea hoʻolako - ʻo mākou kou hoa hana ʻāpana wela kiʻekiʻe. Hoʻokumu ʻia e nā mea noiʻi CAS, ʻoi aku mākou i ka hoʻohui ʻana i nā hoʻonā insulation me nā uhi CVD (TaC/SiC). ʻAʻole mākou e hoʻolako wale i ka insulation felt; hoʻomaikaʻi mākou i kāu kahua wela piha me ka hoʻohana ʻana i nā mea hoʻomehana graphite a me ka porous TaC e hōʻemi i ka hoʻohana ʻana i ka ikehu. ʻO kā mākou hana machining CNC 5-axis i loko o ka hale e hiki ai i nā kime maʻamau, i hoʻākoakoa mua ʻia e kūlike pono i kāu hoʻolālā umu me ka ʻole o nā hewa.

hoakaka
Nā Kuleana ʻO ka huluhulu PAN-Based Premium ʻO ka huluhulu Viscose-based kiʻekiʻe
Huina paumaele ≤5 ppm (GDMS) ≤10 ppm
Kaona ≥99.99% ≥99.95%
Ka nuʻu nui 0.10 - 0.15 g/cm³ 0.08 - 0.12 g/cm³
Kūlana Wela (@1000°C) 0.12 - 0.15 W/m·K 0.09 - 0.13 W/m·K
Max Service Temp. 2800°C (Inert/Vacuum) 2600°C (Inert/Vacuum)
Mānoanoa maʻamau 3mm / 5mm / 10mm / 20mm 3mm / 5mm / 10mm / 20mm
noi

Nā noi koʻikoʻi

Kaʻina Hana Hana ʻana o ka Graphite Soft Felt maʻemaʻe kiʻekiʻe

Hana i hōʻoia ʻia i ke kahua:

Hana ʻia no ka ulu ʻana o SiC & Silicon (PVT/CZ), hana kā mākou felt ma ke ʻano he mea hoʻopaʻa wela e kāohi i nā dislocations kristal. Ma MOCVD/Epitaxy (kūlike me Aixtron, NuFlare), noho mau ia ma lalo o ke kahe ʻino o H2/NH3, e ālai ana i ka hoʻolaha ʻana o ka haumia. No ka Fiber Drawing a me Sapphire Sintering, ʻo kona waiwai zero-outgassing e hōʻoiaʻiʻo i ka pono o ka vacuum a pale i ka nalowale o ka hua.

ʻO ka pono kūpono

Pono Pono

ʻO ka maʻemaʻe kiʻekiʻe loa (<5ppm), hoʻāʻo ʻia e GDMS. Hoʻomalu pono ʻia ʻo Al, B, Fe a me nā mea haumia koʻikoʻi ʻē aʻe e pale aku i ka haumia keʻa i ka ulu ʻana o ka epitaxial.

ʻOi aku ka wela wela: ʻo ka conductivity thermal e like me 0.12 W/m·K ma 1000°C, e hōʻemi ana i ka nalowale wela a me ka kaohi ʻana i ka gradient thermal i loko o ±1°C.

Ka hoʻokahe ʻana o nā ʻāpana haʻahaʻa: ʻO ka fiber i hoʻomaikaʻi ʻia a me ka mālama ʻana i ka ʻili e hōʻemi i ka lepo i nā pōʻaiapuni vacuum, e pale ana i nā mea hoʻoulu graphite CVD (TaC/SiC) a me nā mea hoʻomehana.

Loaʻa ke kūpono a me ke kū pono kiʻekiʻe: palupalu a hiki ke hoʻopili ʻia no ka ʻōwili wili ʻole 360° ma nā umu paʻakikī, e pale ana i nā leaka wela mai ka insulation paʻa.

Nā Waiwai Kino Palupalu o ka Graphite Maʻemaʻe Kiʻekiʻe

Nīnau Hoʻoholo Pine

Nā nīnau i hoʻomaikaʻi ʻia

Q: Pehea e hoʻomaikaʻi ai ka Semixlab soft felt i ke ola lawelawe o nā mea hoʻomehana graphite?

A: Ma ka hāʻawi ʻana i kahi pale wela paʻa, hoʻemi kā mākou ʻili palupalu i ka ukana mana e pono ai ka mea hoʻomehana e mālama i nā mahana i manaʻo ʻia, a laila e hoʻolohi ana i ka sublimation kalapona a me ka oxidation o nā mea hoʻomehana graphite.

Q: Hiki ke hoʻohana ʻia kāu lole huluhulu i nā wahi kinoea kahe nui?

A: ʻAe. No nā kaʻina hana wikiwiki-kinoea (e like me MOCVD), ke paipai nei mākou i kā mākou PAN-based felt kiʻekiʻe-density a i ʻole kahi hopena hybrid me kahi foil graphite, ka mea e pale ai i ka ʻino ʻana o ka fiber a hōʻoia i ka ʻole o ka haumia o nā ʻāpana.

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