开关电源双面板

请教:开关电源的双面板中,地线走TOPLAYER好,还是走BOTTOMLAYER好?

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LV.11

2006-03-01 09:10

基本上走BOTTOMLAYER的话比较有机会加裸铜.

LV.6

2006-05-12 21:07

@jacki_wang

基本上走BOTTOMLAYER的话比较有机会加裸铜.

Wang'R ,What's the function of the bare copper foil?
3x

LV.11

2006-05-12 21:21

@winfrey1

Wang'R,What'sthefunctionofthebarecopperfoil?3x

tin the bare copper foil to reduce DC resistance and decrease the trace loss.

LV.6

2006-05-12 21:32

@jacki_wang

tinthebarecopperfoiltoreduceDCresistanceanddecreasethetraceloss.

i see, 3x, it's said that tin has a poor conductivity than copper does.

LV.11

2006-05-12 21:46

@winfrey1

isee,3x,it'ssaidthattinhasapoorconductivitythancopperdoes.

Yes, u a right, but it should be better with tin.

LV.9

2006-07-26 11:35

晕死,,,,全是说英文的

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