欧美人与动人物姣配xxxx_亚洲 另类 熟女 字幕_麻豆 美女 丝袜 人妻 中文_亚洲国产精品久久久久婷蜜芽_国产av旡码专区亚洲av

  • Operate all kinds of rare earth wire materials,

    Processing nonferrous alloys and rare earth alloy wires and bars

    Implementation standards: customized according to customer requirements Quality system: ISO9001

    Applicable process: evaporation coating, ion sputtering

    Specifications: according to customer requirements

  • Operate all kinds of rare earth wire materials,

    Processing nonferrous alloys and rare earth alloy wires and bars

    Implementation standards: customized according to customer requirements Quality system: ISO9001

    Applicable process: evaporation coating, ion sputtering

    Specifications: according to customer requirements

  • Operate all kinds of rare earth wire materials,

    Processing nonferrous alloys and rare earth alloy wires and bars

    Implementation standards: customized according to customer requirements Quality system: ISO9001

    Applicable process: evaporation coating, ion sputtering

    Applicable process: evaporation coating, ion sputtering

Home >Other products >Semiconductor Materials >Semiconductor Materials
Semiconductor Materials

Semiconductor Materials

  • Category:Semiconductor Materials
  • Weight:0

Details:

Our company can supply Zone-refined Germanium Ingo

StandardGB/T11071-2006

Electrical Properties

 

Grade

ResistivityΩ·cm

(20+/0.5℃)

Mono-crystal Test figures77K

Current carrier cm-3

Current transfer cm2/(v·s)

ZGe—1

≥50

≤1.5×1012

≥3.7×104

ZGe—2

≥50

 

Use: Used to produce various types of germanium mono-crystalline materials

Physical and chemical properties: Metallic Germanium is hard and brittle and has a silvery ash luster,atomic weight is 72.59,and density is 5.325g/cm3,melting point at 937.4℃ and boiling point at 2800℃.

Transportation,storage and application

When delivering and storing melted Germanium ingots,it is important to protect the ingots from machining damage,humid and corrosive environments.

High Purity Germanium Dioxide(GeO2) 6N

Chemical Composition

 

Product name 

GeO2

Purity Grade

99.9999%(min)

Standard

GB/T11069-2006

Total impurity

1.0×10-4

Impurity content(≤,%

As

1.0×10-5

Fe

1.0×10-5

Cu

1.0×10-6

Ni

2.0×10-6

Pb

2.0×10-6

Ca

1.5×10-5

Mg

1.0×10-5

Si

2.0×10-6

Co

2.0×10-6

In

1.0×10-6

Zn

1.5×10-5

Al

1.0×10-6

 

High Purity Germanium Dioxide(GeO2)  5N

Chemical Composition

 

Product name 

GeO2

Purity Grade

99.999%(min)

Standard

GB/T11069-2006

Total impurity

1.0×10-3

Impurity content(≤,%

As

5.0×10-5

Fe

1.0×10-4

Cu

2.0×10-5

Ni

2.0×10-5

Pb

1.0×10-5

Ca

-----------

Mg

-----------

Si

-----------

Co

2.0×10-5

In

------------

Zn

------------

Al

1.0×10-4

Main application: High purity germanium dioxide is used in Germanium compounds,chemical catalyst and medical industries.

 

PackagingThe product is packaged in a PVC container, the net weight of every container is about 1 kg, and the PVC is packed in a cardboard segregated box. Every box contains a net weight of about 20kg.

 

Physical and chemical properties: Germanium dioxide is a white powdery substance, it has three forms it can have four edges, hexagonal or a polygon. Its melting point is 1115℃, at 1250℃ the germanium dioxide is volatile and is easily dissolved with hydrochloric acid.

 

Transportation and storage: High purity germanium dioxide should be transported and stored in a dry and non-corrosive environment.

Silicon

Si:98%
Fe:0.5%   Al:0.5%   Ca:0.3%
Si:99%
Fe:0.4%   Al:0.4%   Ca:0.01%

Silicon dioxide              

Appearance: white powder

Density:2.2~2.66

Melting point:1670℃(tridymite)1710℃(cristobalite)

Boiling point:2230℃

Characters: It is soluble in water

Specs: heavy metal (calculated based on Pb) ≤0.005, Ca) ≤0.005, Fe ≤0.005,  Cl ≤0.005, SO4 ≤0.005,  LOI ≤3.0


日韩乱码人妻无码中文字幕| 西西人体大胆www44he七| 久久久久无码精品国产不卡| 午夜时刻免费入口| 熟女少妇精品一区二区| 国产精品久久久久久人妻精品| 亚洲国产日韩在线人成蜜芽| 国产乱妇无乱码大黄aa片| 欧美成人精品三级网站| 亚洲精品无码一区二区三区久久久 | 国产成人一区二区三区别 | 亚洲综合色无码| 国产精品-区区久久久狼| 日本欧美一区二区免费视频| 欧洲vat一区二区三区| 五月婷婷激情六月开心| 最近2019中文字幕一页二页| 在线中文字幕乱码英文字幕正常| 久久精品国产亚洲av久| 国产9 9在线 | 欧洲| 国产a级毛片久久久精品毛片| 国产成人精品日本亚洲77上位| 亚洲精品久久久久玩吗| 国产又爽又刺激的视频| 亚洲午夜一区二区三区| 337p粉嫩日本欧洲亚洲大胆| 女人被狂躁c到高潮视频| 亚洲欧洲精品成人久久曰影片| 亚洲日韩一页精品发布| 亚洲精品国产专区无套| 狠狠色噜噜狠狠狠7777奇米 | 日韩中文字幕在线乱码| 国产美女裸体无遮挡免费视频| 日韩中文字幕高清有码| 久久老子午夜精品无码| 亚洲av无码专区国产不卡顿| 国产青榴视频在线观看| 老头边吃奶边弄进去呻吟| 99re6在线视频精品免费| 亚洲精品久久久久av无码| 国产午夜精品一区二区三区|