MOCVD Substrate Heater, Mea Pumehana No MOCVD

ʻO ka wehewehe pōkole:

Pākuʻi Kimia

Pōmaikaʻi: Pale wela kiʻekiʻe

Hoʻohana: MOCVD/Ihi hoʻoheheʻe/Wāna wela

ʻOi aku ka nui: 1.68-1.91g/cm3

Ka ikaika wiliwili: 30-46Mpa

Kū'ē: 7-12μΩm


Huahana Huahana

Huahana Huahana

MOCVD Substrate Heater, Mea Pumehana No MOCVD

Mea hoʻomehana graphite:
Hoʻohana ʻia nā mea hoʻomehana graphite i loko o ka umu wela wela me ka mahana i hiki i ka 2200 degere ma ke kaiapuni vacuum a me 3000 degere i ka deoxidized a hoʻokomo ʻia i ke kinoea.
ʻO nā hiʻohiʻona nui o ka graphite heater:
1. kūlike o ka hoʻolālā hoʻomehana.
2. maikaʻi uila conductivity a kiʻekiʻe uila ukana.
3. pale ʻana i ka corrosion.
4. inoxidizability.
5. kiʻekiʻe kemika maemae.
6. ikaika mechanical kiʻekiʻe.
ʻO ka pōmaikaʻi, ʻoi aku ka maikaʻi o ka ikehu, ka waiwai kiʻekiʻe a me ka mālama haʻahaʻa.
Hiki iā mākou ke hana i ka anti-oxidation a me ke ola lōʻihi o ka graphite crucible, graphite mold a me nā ʻāpana āpau o ka graphite heater.
Nā palena nui o ka mea hoʻomehana graphite:

Hōʻike ʻenehana

VET-M3

ʻAiʻi Nui (g/cm3)

≥1.85

Maʻiʻo Lehu (PPM)

≤500

Kahakai ʻoʻoleʻa

≥45

Kū'ē Kūikawā (μ.Ω.m)

≤12

ʻO ka ikaika ʻoluʻolu (Mpa)

≥40

Ka ikaika hoʻoemi (Mpa)

≥70

Max.Ka nui o ka palaoa (μm)

≤43

Coefficient o ka hoonui wela Mm/°C

≤4.4*10-6

ʻO ka mea hoʻomehana graphite no ka umu uila he mau waiwai o ka pale ʻana i ka wela, ke kū ʻana o ka oxidation, ka conductivity uila maikaʻi a me ka ikaika mechanical.Hiki iā mākou ke mīkini i nā ʻano mea hoʻomehana graphite e like me nā hoʻolālā o nā mea kūʻai aku.

MOCVD Substrate Heater, Mea Pumehana No MOCVDMOCVD Substrate Heater, Mea Pumehana No MOCVD


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