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Cressington 特约代理

简要描述:Cressington 代理,Cressington 上海代理,Cressington 北京代理, Cressington 总代理, Cressington 一级代理, Cressington 特约代理
上海起发实验试剂有限公司 Cressington 专业代理,具体产品信息欢迎电询:4006551678

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  • 更新时间:2024-03-27
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世界*实验材料供应商 Cressington  正式授权上海起发为其中国代理, Cressington  在一直是行业的*,一直为广大科研客户提供zui为优质的产品和服务,上海起发一直秉承为中国科研客户带来的产品,的服务,签约 Cressington  就是为了给广大科研客户带来更加完善的产品和服务,您的满意将是我们zui大的收获

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公司:www.cressington。。com/

The Cressington company was originally formed in 1973 to offer a product design service in the field of high vacuum coating. In 1977 the company commenced manufacturing and marketing a range of products.

These early coating products were designed to deposit ultra-thin layers for sample preparation in transmission electron microscopy (TEM). The compact electron beam (EB) evaporation sources, ultra-stable EB power supplies and modular freeze-etch accessory were intended primarily for use in molecular biology research. They also found applications in the development of foods and paints.

When Cressington moved on from modular accessories to manufacturing complete equipment it was in the field of freeze-etch. The first complete freeze-etch system (a CFE-40) was delivered to Northwestern University in Evanston, Il in 1986. This unit was recently relocated to Northeastern University in Boston, MA where it is still in use.

In 1991 Cressington moved into the wider market of coating for scanning electron microscopy (SEM) with the introduction of the desktop "108" series of coaters. These efficient low vacuum sputter coaters and carbon evaporators proved extremely popular. They have been improved and developed over time and still sell in large numbers.

The introduction of the Cressington 108 coater range highlighted the need for an accurate and inexpensive film thickness monitor. This requirement was met successfully by the development of the MTM-10. More than 30% of Cressington's desktop low vacuum coaters are supplied with a thickness monitor.

In 1993 the desktop coater range was expanded to include a high vacuum sputter coater (208HR) and a high vacuum carbon evaporator (208C). With the increased use of high resolution FE-SEM the market for these coaters is still growing. The 208HR is regarded as the industry standard for FE-SEM sputter coating.

1999 saw the introduction of a new coater with the popular 12" chamber size (308R). The highly adaptable format of the 308R immediay found applications in advanced sample preparation for FE-SEM and TEM and in many areas of thin film R & D. This coater is unusual in being able to combine sputtering and high vacuum evaporation in a single vacuum cycle. The range of accessories and chamber formats for the 308R is the subject of ongoing development.

Cressington currently offers a wide selection of desktop coaters. Sputter coaters range from simple low vacuum gold coaters for SEM to complex high vacuum multi-head sputter coaters for R & D. Evaporators range from low vacuum carbon coaters to multi-material coaters with mixed EB and resistive sources. Although the freeze-etch technique is no longer in widespread use, it can still offer significant advantages to specialist researchers, and the current desktop model is still available on special request.

Cressington is committed to a continuous research and product development program to improve the performance of the coating range. The latest 308R offers a combination of turbo-pumping and cryo-pumping to give an ultimate pressure in the high 10-8mb range. Initial tests show that this ultra-clean and ultra-dry vacuum environment gives significant benefits in the properties of sputtered layers.

 

 

我们公司zui大优势是强大的采购,

1:基本什么都能进口,血清,抗体,耗材,还有部分限制进口的,

2:货品全,现经营过700多个品牌,基本所有生物试剂耗材都可以进口,特别是冷偏的产品那就更有优势,

3:提供加急服务,一般1-2周到货,超过时限加急费全免

4:价格公道,绝大部分价格有优势,当然不能保证100%产品都是,因为意味着没有服务.

5:良好的信誉,大部分客户我们提供货到付款服务,客户包括清华,北大 交大 复旦,中山等100多所大学,ROCHE,阿斯利康,国药 ,fisher等500多家公司

6:我们还是Santa,Advanced Biotechnologies Inc, Cressington       ,bangs,BBInternational,crystalchem,dianova,FD Neurotechnologies,Inc. FormuMax Scientific,Inc, GePromegaridege, Glycotope Biotechnology GmbH; iduron,Innovative Research of America, Ludger, neuroprobe,omicronbio, Polysciences,prospecbi, QA-BIO,quickzyme,RESEARCH DIETS,INC,sterlitech;sysy,TriLink BioTechnologies,Inc;worthington-biochem,zyagen等几十家国外公司授权代理。
7:我们还是invitrogen,qiagen,Midland BioProducts Corporationam,sigma;Promega,roche,merck, rnd,BD, GE,pierce,BioLegend等*批发,欢迎合作。

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