Abstract: A method for manufacturing a flexible printed circuit board includes having a base layer, and creating a pattern line and at least one conductive pole. The base layer defines at least one communication hole penetrating through the base layer. The pattern line includes two conductive circuit layers formed on opposite surfaces of the base layer. The at least one conductive pole is formed in the at least one communication hole and electrically connects the two conductive circuit layers. A diameter of each conductive pole is less than a diameter of a communication hole.

Abstract: A wiring board includes a substrate having a first penetrating hole penetrating through the substrate, a first through-hole conductor formed on the inner wall of the first penetrating hole, a filler filled inside the first conductor and forming a second penetrating hole, and a second through-hole conductor formed in the second penetrating hole, a first conductive circuit formed on a first surface of the substrate; a second conductive circuit formed on a second surface of the substrate; a first conductive portion formed on one end of the second penetrating hole, and a second conductive portion formed on the opposite end of the second penetrating hole. The first conductor is connecting the first and second circuits. The second conductor is connecting the first and second conductive portions. The first circuit has the thickness which is set greater than the thickness of the first conductive portion.

Abstract: An implement includes a frame configured to couple to a tool bar, a linkage coupled to the frame, and a ground engaging tool extending from a shank, wherein the shank is coupled to the linkage. The implement also includes a packer wheel configured to control a position of the ground engaging tool, wherein the packer wheel is positioned behind the ground engaging tool when the ground engaging tool is engaging the soil. Further, the implement includes an adjustment mechanism configured to allow for adjustment of the distance between the packer wheel and the ground engaging tool.

Abstract: An array of several like dimensionally stable readily manufactured diking apparatuses each of which operates in a furrow automatically produces a series of dams of uniform size at regular intervals of travel by repeatedly alternating positions one of a pair of sets of (a) a forwardly disposed digging and earth gathering element and (b) a rearwardly disposed slanted support shoe that is narrower than the earth gathering element forwardly thereof, the support shoe also providing a grading action on the furrow and automatically aligning the earth gathering element.