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Double PCBs with Thin Keypad PCB and 0.4mm Finish Board Thickness

Double PCBs with Thin Keypad PCB and 0.4mm Finish Board Thickness

Double PCBs with thin Keypad pcb;0.4mm finish board thickness

    5)Double PCBs with thin Keypad pcb;0.4mm finish board thickness

    AYER COUNT: 2

    MATERIAL TYPE: FR-4

    BOARD THICKNESS: 0.4+/-0.1MM

    FINISHED COPPER: 1OZ

    MIN HOLE SIZE: 0.3MM

    HOLE WAL COPPER: ≥20UM

    TRACE WIDTH/SPACE: MIM 10/10MIL

    SOLDERMASK TYPE: GREEN

    SURFACE FINISH: ENIG 


    Double-Sided PCBs and the Othermill

    Process Overview


    Milling double-sided PCBs is a straightforward process: mill the top of the board, then mill the bottom. But in order to achieve perfect registration between the two sides, there’s a process that you must follow, which is covered in more detail further down. Here’s an quick overview:

    •Install and locate the Othermill’s alignment bracket.

    •Align a piece of double-sided FR-1 to the left corner of the alignment bracket.

    •After importing your design file, mill out the traces and holes (but not the outline) of the top side of the board.

    •With the top side milled, flip the board over and tape it down — this time aligning to the right side of the bracket. By aligning to the right side, we’re using the same corner of the board to align on both sides, which reduces the possibility of alignment errors.

    •Mill out the rest of the board including the outline.

    We are one of the professional double pcbs with thin keypad pcb and 0.4mm finish board thickness manufacturers and suppliers in China, offering the best services and the highest quality solutions for you. Please rest assured to get the high quality products made in China from our factory.

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