| 4層精密平面繞阻電路板 | ||||
| Item No: 4-Layer PCB | ||||
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 基材: FR-4  | 
 
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 板厚: 0.4mm  | 
 
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 層數(shù): 4/L  | 
 
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 尺寸: 35mm*50mm  | 
 
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 線寬: 4mil (0.10mm)  | 
 
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 線距: 4mil (0.10mm)  | 
 
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 最小孔徑:0.30mm  | 
 
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 鍍層工藝: 化學(xué)沉金、精細(xì)線路、超薄多層板  | 
 
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 文件格式: 光繪文件(RS274-X)  | 
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| 過(guò)孔孔徑: 12mil (0.30mm) | 
