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


狠狠色综合网站久久久久久久| 狠狠的干性视频| 肉色丝袜足j视频国产| 久久中文字幕人妻熟av女蜜柚m| 午夜无码人妻av大片色欲| 女同互玩中文字幕久久| 国产精品多p对白交换绿帽| 国产av无码专区亚洲avjulia| 无遮挡1000部拍拍拍免费| 色综合久久综合欧美综合网| 久久久免费精品re6| 国产乱国产乱老熟300部视频| 中文字幕人妻av12| 无套熟女av呻吟在线观看| 精品久久久久久亚洲中文字幕| 亚洲毛片在线免费观看视频| 久久男人av资源网站无码| 久久久久久夜精品精品免费啦| 国产精品一区在线观看你懂的| 伊人久久大香线蕉亚洲| 亚洲国产美女精品久久久| 免费a级作爱片免费观看美国| 影音先锋女人aa鲁色资源| 久久亚洲a片com人成| 国产高跟鞋丝袜在线播放| 国产午夜无码精品免费看| 亚洲av伊人久久综合密臀性色| 国产午夜三级一区二区三| 久久久久国产综合av天堂| 色欲网天天无码av| 国产成人无码精品久久二区三区 | 永久免费不卡在线观看黄网站| 97亚洲色欲色欲综合网| 亚洲精品无码久久不卡| 亚洲精品尤物av在线网站| 亚洲人成网站999久久久综合| 亚洲欧洲∨国产一区二区三区| 夜夜添无码一区二区三区| 亚洲精品中文字幕无码蜜桃| 女人被男人躁得好爽免费视频| 自拍偷区亚洲综合美利坚|