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    • 3. 发明申请
    • Printed wiring board manufacturing method
    • 印刷电路板制造方法
    • US20070193679A1
    • 2007-08-23
    • US11567344
    • 2006-12-06
    • Yoshiyuki IWATA
    • Yoshiyuki IWATA
    • B32B38/10B32B38/04B32B37/12
    • B32B38/10B32B2310/0843B32B2457/08H05K1/115H05K3/20H05K3/4602H05K3/4682H05K2201/09527H05K2201/09563H05K2201/096H05K2203/0554H05K2203/1536Y10T29/49165Y10T156/1056Y10T156/1057
    • The present invention intends to provide a novel printed wiring board manufacturing method by which printed wiring boards can be manufactured with efficiency. A method of manufacturing a printed wiring board (FIG. 1B) according to the present invention includes a step for preparing two sets of copper clad laminates (FIG. 2A), a step for bonding the copper clad laminates (FIG. 2B), steps for forming lands on both surfaces of a bonded laminate (FIGS. 2C to 2E), steps for forming respective resin layers on both surfaces of the bonded laminate and forming via hole openings to form respective via holes (FIGS. 2F to 2L), a step for forming a resin layer and forming a via hole opening to form a via hole (FIG. 2M), a step for separating the bonded laminate from each other (FIG. 2N) and steps for forming via hole openings from the bonded surface of the separated laminate to form via holes (FIGS. 20 to 2T). Via holes (33-1, 33-2) formed on the resin layer and a via hole (42) formed on the laminate are opened in the opposite directions.
    • 本发明旨在提供一种能够有效地制造印刷电路板的新颖的印刷线路板制造方法。 根据本发明的制造印刷电路板(图1B)的方法包括制备两组铜包覆层压板的步骤(图2A),用于粘合覆铜层压板的步骤(图2B ),用于在接合层压体的两个表面上形成焊盘的步骤(图2C-2E),在接合层叠体的两个表面上形成各个树脂层并形成通孔开口以形成相应的通孔的步骤(图2 F-2L),用于形成树脂层并形成通孔开口以形成通孔的步骤(图2M),分离粘合层压体的步骤(图2N)和步骤 从分离的层压体的接合表面形成通孔开口以形成通孔(图20至图2T)。 形成在树脂层上的通孔(33-1,33-2)和形成在层叠体上的通孔(42)沿相反方向打开。