O le Epitaxy

Fa'amatalaga Puupuu:

O le Epitaxy– Ausia le fa'atinoina o masini fa'atasi ma Semicera's Si Epitaxy, e ofoina atu fa'ama'i fa'ato'aga fa'ato'aga mo fa'aoga semiconductor.


Fa'amatalaga Oloa

Faailoga o oloa

Semicerafaailoa mai lona tulaga maualugaO le Epitaxy'au'aunaga, ua fuafuaina e fa'amalieina tulaga fa'ata'atia o le alamanuia semiconductor i aso nei. Epitaxial silicon layers e taua tele mo le faʻatinoga ma le faʻatuatuaina o masini faʻaeletoroni, ma o matou Si Epitaxy fofo e faʻamautinoa ai o au vaega e ausia galuega sili ona lelei.

Fa'ato'aga Sili-Tula'i Sili Semiceramalamalama o le faavae o masini maualuga-faatinoga o loʻo taoto i le lelei o mea faʻaaogaina. O tatouO le Epitaxye fa'atonu lelei le fa'agasologa ina ia maua ai fa'a'a'ai kosi ma tulaga fa'apitoa ma le fa'amaoni tioata. O nei laulau e taua tele mo faʻaoga e amata mai i microelectronics i masini eletise maualuga, lea e sili ona taua le tumau ma le faʻamaoni.

Fa'atonuina mo le fa'atinoga o masiniO leO le Epitaxy'au'aunaga o lo'o ofoina mai e Semicera o lo'o fa'atulagaina e fa'aleleia atili ai le eletise o au masini. E ala i le fa'atupuina o laulau silikoni mama-maualalo ma le tele o fa'aletonu, matou te fa'amautinoa o lo'o fa'atinoina au vaega i le mea sili, fa'atasi ai ma le fa'aleleia atili o le fe'avea'i ma fa'aitiitia le fa'asao eletise. O lenei fa'ata'ita'iga e taua tele mo le fa'ataunu'uina o uiga maualuga-saosaoa ma maualuga-lelei e mana'omia e tekinolosi fa'aonaponei.

Fetuuna'i i Talosaga Semicera'sO le Epitaxye talafeagai mo le tele o faʻaoga, e aofia ai le gaosiga o le CMOS transistors, power MOSFETs, ma le bipolar junction transistors. O la matou faiga fetuutuunai e mafai ai ona faʻapipiʻiina e faʻavae i luga o manaʻoga faʻapitoa o lau poloketi, pe e te manaʻomia ni laupepa manifinifi mo faʻaoga maualuga pe sili atu le mafiafia mo masini eletise.

Tulaga Sili MeaO le lelei o le fatu lea o mea uma matou te faia i Semicera. O tatouO le Epitaxyfa'agasologa fa'aogaina meafaigaluega fa'aonaponei fa'aonaponei ma faiga fa'apitoa e fa'amautinoa ai e fa'amalieina ta'itasi fa'a-silikoni tulaga maualuga o le mama ma le fa'atonuga fa'atulagaina. O le gauai atu i auiliiliga e faaitiitia ai le tulai mai o faaletonu e ono aafia ai le faatinoga o masini, ma maua ai vaega sili atu ona faatuatuaina ma umi.

Tautinoga i Faiga Fou Semiceraua tautino e tumau i le pito i luma o tekinolosi semiconductor. O tatouO le Epitaxy'au'aunaga o lo'o atagia ai lenei tautinoga, fa'atasi ai ma fa'auluuluga aupito lata mai i le fa'atupuina o le epitaxial techniques. Matou te faʻaauau pea ona faʻaleleia a matou faʻagasologa e tuʻuina atu ai lapisi silicon e fetaui ma manaʻoga faʻaleleia o le alamanuia, faʻamautinoa o loʻo tumau pea au oloa i le tauvaga i le maketi.

Fofo Fa'atatau mo ou Mana'ogaMalamalama o galuega uma e tulaga ese,Semiceraofo fa'apitoaO le Epitaxyfofo e fetaui ma ou manaoga faapitoa. Pe e te manaʻomia ni faʻamatalaga faʻapitoa o le doping, mafiafia o le lapisi, poʻo le faʻamaeʻaina o luga, e galulue vavalalata le matou 'au e tuʻuina atu se oloa e fetaui ma au faʻamatalaga saʻo.

Aitema

Gaosiga

Suesuega

Faafoliga

Parata tioata

Polytype

4H

Fa'asagaga i luga o mea sese

<11-20 >4±0.15°

Fa'aeletise Parata

Fa'amama

n-ituaiga Nitrogen

Tete'e

0.015-0.025ohm·cm

Fa'ailoga Fa'ainisinia

Diamita

150.0±0.2mm

mafiafia

350±25 μm

Primary flat orientation

[1-100]±5°

Muamua mafolafola umi

47.5±1.5mm

Lua mafolafola

Leai

TTV

≤5 μm

≤10 μm

≤15 μm

LTV

≤3 μm(5mm*5mm)

≤5 μm(5mm*5mm)

≤10 μm(5mm*5mm)

punou

-15μm ~ 15μm

-35μm ~ 35μm

-45μm ~ 45μm

A'ai

≤35 μm

≤45 μm

≤55 μm

Luma(Si-foliga) talatala(AFM)

Ra≤0.2nm (5μm*5μm)

Fauga

Micropipe density

<1 ae/cm2

<10 ea/cm2

<15 ea/cm2

Uamea eleelea

≤5E10atoms/cm2

NA

BPD

≤1500 ea/cm2

≤3000 ea/cm2

NA

TSD

≤500 ea/cm2

≤1000 ea/cm2

NA

Tulaga Luma

Luma

Si

Fa'ai'uga luga

Si-foliga CMP

fasimea

≤60ea/wafer (tele≥0.3μm)

NA

Masisi

≤5ea/mm. Fa'aputuga umi ≤Diamita

Fa'aputuga umi≤2*Diamita

NA

Pa'u moli/lua/pisa/striations/ta'eta'e/fa'aleagaina

Leai

NA

Ta'otoga meataalo/indents/ gau/papa hex

Leai

Polytype vaega

Leai

Vaega fa'aopoopo≤20%

Vaega fa'aopoopo≤30%

Faailoga leisa pito i luma

Leai

Tulaga Tulaga

Fa'ai'u tua

C-foliga CMP

Masisi

≤5ea/mm, Fa'aputuga umi≤2* Diamita

NA

faaletonu i tua

Leai

Talatala tua

Ra≤0.2nm (5μm*5μm)

Faailoga leisa tua

1 mm (mai le pito i luga)

pito

pito

Chamfer

afifiina

afifiina

Epi-sauni ma fa'apipi'i gaogao

afifiina kaseti tele-wafer

*Faamatalaga: "NA" o lona uiga e leai se talosaga O mea e le o taʻua e mafai ona faasino ile SEMI-STD.

tech_1_2_size
SiC wafers

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