Mea Hoʻomehana Wafer Ceramic AlN Alumina Mea Hoʻomehana
I ka hana ʻana o ka semiconductor, pono e hana ʻia nā wafers ma nā kaʻina hana like ʻole, e like me ka waiho ʻana o ka ʻili lahilahi, ka etching, a pēlā aku. I loko o kēia mau loulou, pono e hoʻomehana ʻia nā wafers i kahi mahana, a aia nā koi koʻikoʻi no ka mahana, no ka mea, ʻo ke ʻano like o ka mahana he hopena koʻikoʻi loa ia i ka hua huahana, a he mea nui nā ʻāpana hoʻomehana.
Mea hoʻomehana keramikaua hoʻopili pololei ʻia i ke keʻena hana a pili pono me ka wafer. ʻAʻole lākou e lawe wale i ka wafer, akā e hōʻoiaʻiʻo hoʻi e loaʻa i ka wafer kahi mahana hana paʻa a like. He mau ʻāpana koʻikoʻi lākou i nā lako hana hoʻopaʻa kiʻiʻoniʻoni lahilahi semiconductor!
Hoʻokomo pū ka mea hoʻomehana keramika i kahi kumu keramika e kākoʻo ana i ka wafer a me kahi kino kākoʻo cylindrical ma ka ʻaoʻao hope e kākoʻo ana iā ia. Ma waho aʻe o ka mea kū'ē (papa hoʻomehana) no ka hoʻomehana ʻana, aia pū kekahi mau electrodes alapine lekiō (papa RF) i loko a i ʻole ma luna o ka ʻili o ke kumu keramika. I mea e hoʻokō ai i ka hoʻomehana wikiwiki a me ka hoʻomaʻalili ʻana, pono e lahilahi ka mānoanoa o ke kumu keramika, akā ʻo ka lahilahi loa e hōʻemi pū i ka paʻakikī.
ʻO ke kākoʻo o ka mea hoʻomehana keramika ma ke ʻano maʻamau i hana ʻia me ka mea keramika me kahi coefficient hoʻonui wela e like me ke kumu. Hoʻohana ka mea hoʻomehana i kahi ʻano kūikawā o kahi lalo hui koʻokoʻo e pale i nā kikowaena a me nā uea mai nā hopena o ka plasma a me nā kinoea kemika corrosive. Ua lako ka kākoʻo me kahi paipu komo kinoea hoʻoili wela a me ka paipu puka e hōʻoia i ka mahana like o ka mea hoʻomehana. Hoʻopaʻa ʻia ke kumu a me ke kākoʻo me kahi papa hoʻopaʻa.

Hiki ke hana ʻia ka mea hoʻomehana keramika me nā keramika e like me ka alumini nitride (AlN), silicon nitride (Si3N4), a me ka alumina (Al2O3). I waena o lākou, ʻo AlN ke koho maikaʻi loa no nā mea hoʻomehana keramika. Ke hoʻohālikelike ʻia me nā mea ʻē aʻe, loaʻa i ka keramika AlN a VET Energy nā ʻano penei:
(1) Hoʻokele wela maikaʻi;
(2) Hoʻohālikelike ʻia ke koina hoʻonui wela i nā mea silicon semiconductor;
(3) ʻOi aku ka maikaʻi o nā waiwai mechanical maikaʻi, ke kūpaʻa ʻana i ka ʻaʻahu maikaʻi loa, a me nā waiwai mechanical piha ma mua o ka beryllium oxide a like me ka alumini oxide;
(4) Nā waiwai uila piha maikaʻi loa, ka insulation uila maikaʻi loa a me ka pohō dielectric haʻahaʻa;
(5) ʻAʻohe mea ʻawahia a pili i ke kaiapuni.
Pepa ʻIkepili o nā Mea Seramika
| Mea | 95% Alumina | 99% Alumina | Zirconia | Karbida silika | SilikaNʻitride | AluminiNʻitride |
| Waihoʻoluʻu | keʻokeʻo | Melemele māmā | keʻokeʻo | ʻeleʻele | ʻeleʻele | hinahina |
| Ka nui (g/cm3) | 3.7g/cm3 | 3.9g/cm3 | 6.02g/cm3 | 3.2g/cm3 | 3.25g/cm3 | 3.2g/cm3 |
| Ka omo ʻana o ka wai | 0% | 0% | 0% | 0% | 0% | 0% |
| Paʻakikī (HV) | 23.7 | 23.7 | 16.5 | 33 | 20 | - |
| Ikaika Flexural (MPa) | 300MPa | 400MPa | 1100MPa | 450MPa | 800MPa | 310MPa |
| Ikaika Hoʻopaʻa (MPa) | 2500MPa | 2800MPa | 3600MPa | 2000MPa | 2600MPa | - |
| Modulus o ka Elasticity o Young | 300GPa | 300GPa | 320GPa | 450GPa | 290GPa | 310~350GPa |
| Ka lakio o Poisson | 0.23 | 0.23 | 0.25 | 0.14 | 0.24 | 0.24 |
| Ka Hoʻokele Wela | 20W/m°C | 32W/m°C | 3W/m°C | 50W/m°C | 25W/m°C | 150W/m°C |
| Ikaika Dielectric | 14KV/mm | 14KV/mm | 14KV/mm | 14KV/mm | 14KV/mm | 14KV/mm |
| Ke kū'ē ʻana o ka leo (25 ℃) | >1014Ω·cm | >1014Ω·cm | >1014Ω·cm | >105Ω·cm | >1014Ω·cm | >1014Ω·cm |
He mea hana ʻoihana ʻo VET Energy e kālele ana i ka R&D a me ka hana ʻana o nā mea holomua kiʻekiʻe e like me ka graphite, silicon carbide, quartz, a me ka mālama ʻana i nā mea e like me ka SiC coating, TaC coating, glassy carbon coating, pyrolytic carbon coating, etc. Hoʻohana nui ʻia nā huahana i ka photovoltaic, semiconductor, new energy, metallurgy, etc.
Loaʻa kā mākou hui loea mai nā ʻoihana noiʻi kūloko kiʻekiʻe, hiki ke hāʻawi i nā hoʻonā mea ʻoihana hou aku nāu.
ʻO nā pono o VET Energy:
• Hale hana ponoʻī a me ke keʻena hoʻokolohua ʻoihana;
• Nā pae maʻemaʻe a me ka maikaʻi o ka ʻoihana;
• Kumukūʻai hoʻokūkū a me ka manawa hoʻouna wikiwiki;
• Nā hui like ʻana o nā ʻoihana he nui ma ka honua holoʻokoʻa;
Hoʻokipa mākou iā ʻoe e kipa i kā mākou hale hana a me ka hale hana i kēlā me kēia manawa!
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