China Wholesale PN Junction Manufacturers – LEEM-5 Apparatus of Work Function & Specific Charge of Electron – Labor

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China Wholesale PN Junction Manufacturers – LEEM-5 Apparatus of Work Function & Specific Charge of Electron – Labor Detail:

Description

Thermionic emission, one of its founders was Owen W. Richardson (1879～1959), a famous physicist in England, who discovered the thermionic emission law, namely Richardson law, pointing out the way for designing reasonable electron emission mechanism. His study had a profound impact on development of radio electronics, and won the 1928 Nobel Prize in Physics as a result.

Functions

1. Understand the concept of thermionic electron emission and verify the Schottky effect

2. Understand the concept of work function of a metal

3. Learn how to measure metal work function based on Richardson straight-line method

4. Understand magnetron principle and determine charge-mass ratio (e/m) by magnetron

Specifications

Description	Specifications
Ideal diode	pure Tungsten filament
	filament current: 0.400 ~ 0.800 A; accuracy: 1.0 mA
	anode voltage: DC 0 ~120 V; accuracy: 0.1 V
Parameters of coil	inner radius: r₁=24.0 mm
	outer radius: r₂=36.0 mm
	length: L=18.0 mm
	number of turns: N=800
Magnetization current	0 ~ 0.800 A

Parts List

Item	Qty
Main unit	1
Ideal diode	1
Housing	1
Magnetization coil	1
Wires	8
Manual	1

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Our eternal pursuits are the attitude of "regard the market, regard the custom, regard the science" as well as the theory of "quality the basic, believe in the 1st and management the advanced" for China Wholesale PN Junction Manufacturers – LEEM-5 Apparatus of Work Function & Specific Charge of Electron – Labor , The product will supply to all over the world, such as: Qatar, Algeria, New York, The quality of our merchandise is equal to OEM's quality, because our core parts are the same with OEM supplier. The above items have passed professional certification, and we not only can produce OEM-standard items but we also accept Customized Merchandise order.

Adhering to the business principle of mutual benefits, we have a happy and successful transaction, we think we will be the best business partner.

By Faithe from Armenia - 2017.03.28 16:34

The customer service staff's answer is very meticulous, the most important is that the product quality is very good, and packaged carefully, shipped quickly!

By Helen from Honduras - 2017.12.02 14:11

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