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HOW TO MAKE A SILICON WAFER

by admin on 21-06-07

HOW TO MAKE A SILICON WAFER A wafer is a slice of silicon roughly 1 millimeter thick that has an extremely flat surface thanks to procedures that are technically very demanding. The subsequent use determines which crystal growing procedure should be employed. In the Czochralski process, for examp...

SILICON WAFER

by admin on 21-06-03

SILICON WAFER from sitronic A wafer is a slice of silicon roughly 1 millimeter thick that has an extremely flat surface thanks to procedures that are technically very demanding. The subsequent use determines which crystal growing procedure should be employed. In the Czochralski process, for exam...

Vanadium Redox Flow Battery-SECONDARY BATTERIES – FLOW SYSTEMS | Overview

by admin on 21-05-31

Vanadium Redox Flow Battery SECONDARY BATTERIES – FLOW SYSTEMS Overview from M.J. Watt-Smith, … F.C. Walsh, in Encyclopedia of Electrochemical Power Sources The vanadium–vanadium redox flow battery (VRB) was largely pioneered by M. Skyllas-Kazacos and coworkers in 1983 at the University of ...

Graphite paper

by admin on 21-05-24

Graphite paper Graphite paper is made of high carbon phosphorus graphite by chemical treatment and high temperature expansion rolling. It is the basic material for manufacturing all kinds of graphite seals. There are many kinds of graphite paper, including flexible graphite paper, high purity g...

Advantages of graphite electrode

by admin on 21-05-20

Advantages of graphite electrode (1) With the increasing complexity of die geometry and the diversification of product application, the discharge accuracy of spark machine is required to be higher and higher. Graphite electrode has the advantages of easy machining, high removal rate of EDM and l...

Introduction to Graphite Electrodes

by admin on 21-05-17

Introduction to Graphite Electrodes Graphite electrode is mainly made of petroleum coke and needle coke as raw materials, coal tar pitch is used as a binder, and it is made by calcination, batching, kneading, pressing, roasting, graphitization, and machining. It releases electric energy in the f...

Carbon neutralization is expected to drive graphite electrode market bottom rebound

by admin on 21-04-13

1. the development of steel industry drives the growth of global demand for graphite electrodes 1.1 brief introduction of graphite electrode Graphite electrode is a kind of graphite conductive material which is resistant to high temperature. It is a kind of high temperature resistant graphite con...

What is the function of PECVD graphite boat?

by admin on 21-04-08

As the carrier of normal silicon wafers in the production of coating process, the graphite boat has many boat wafers with a certain interval in the structure, and there is a very narrow space between two adjacent boat wafers, and silicon wafers are placed on both sides of the empty door. Because ...

Basic technology of plasma enhanced chemical vapor deposition (PECVD)

by admin on 21-04-07

1. Main processes of plasma enhanced chemical vapor deposition Plasma enhanced chemical vapor deposition (PECVD) is a new technology for the growth of thin films by chemical reaction of gaseous substances with the help of glow discharge plasma. Because PECVD technology is prepared by gas d...

What is the principle of hydrogen fuel cell vehicle?

by admin on 21-04-02

Fuel cell is a kind of power generation device, which converts chemical energy in fuel into electric energy by redox reaction of oxygen or other oxidants. The most common fuel is hydrogen, which can be understood as the reverse reaction of water electrolysis to hydrogen and oxygen. Unlike rocket...