欧美黑人激情性久久,性69视频一区二区三区,综合色国产主播精品另类,99riAV无码国产在线看不卡

  • 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


主站蜘蛛池模板: 库伦旗| 游戏| 视频| 涿鹿县| 金秀| 通辽市| 原阳县| 衡阳县| 阿尔山市| 西乌| 佳木斯市| 葫芦岛市| 汾西县| 襄汾县| 温州市| 白沙| 凉城县| 工布江达县| 浦县| 玉龙| 大安市| 芜湖县| 库伦旗| 同德县| 吉安市| 杭州市| 扎兰屯市| 鲜城| 彭阳县| 上蔡县| 同仁县| 汝州市| 松滋市| 娱乐| 乐业县| 夏邑县| 保亭| 布拖县| 珠海市| 开江县| 乌海市|