发明名称 CIRCUIT BOARD, MULTILAYERED SUBSTRATE HAVING THE CIRCUIT BOARD AND METHOD OF MANUFACTURING THE CIRCUIT BOARD
摘要 Disclosed is a circuit board which comprises a core part with a first via wherein the first via approximately has a double-headed drum or sandglass shape. The double-headed drum has a narrow waist in the middle. Therefore, the circuit board increases heat emitting efficiency while refining the via which penetrates the core.
申请公布号 KR20150131932(A) 申请公布日期 2015.11.25
申请号 KR20140193247 申请日期 2014.12.30
申请人 SAMSUNG ELECTRO-MECHANICS CO., LTD. 发明人 MIN, TAE HONG;KANG, MYUNG SAM;LEE, JUNG HAN;KO, YOUNG GWAN
分类号 H05K3/46;H05K1/18 主分类号 H05K3/46
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