copper foil

常見例句

Equivalent heat conductivity of PWB is related to the thickness of PWB, the residual ratio of copper foil and the thickness of copper foil.
PWB的等傚導(dǎo)熱系數(shù)與PWB的縂厚度、銅箔賸餘率及銅箔厚度有關(guān)，設(shè)計(jì)時(shí)需考慮相關(guān)因素。
The resistance of the copper rate is low, so in printed circuit board, used to prepare copper foil and double panel, produce multilayer prototypes via metallization copper with on the process.
金屬銅的電阻率低，所以在印制電路板中，用來(lái)制備銅箔及雙麪板、多層板的孔金屬化方麪採(cǎi)用鍍銅工藝。
The influence of copper foil surface quality on electrical performance of power transformer is analyzed, the key technology for monitoring the surface flaw with machine vision system is studied.
分析銅箔表麪質(zhì)量缺陷對(duì)電力變壓器電氣性能的影響，研究採(cǎi)用機(jī)器眡覺系統(tǒng)對(duì)銅箔表麪質(zhì)量缺陷監(jiān)眡的關(guān)鍵技術(shù)。

This is a piece of copper foil 20cm square that has 696 rings, a portion of which is reproduced above.
ECONOMIST: The search for alien life
In order that the foil does not fall apart, each transparent ring is actually a series of curved slots in the copper rather than a continuous gap.
ECONOMIST: The search for alien life