A system and a method are disclosed for circuit analysis. The end insulating plate is disposed on one end of the stator core, the connector is formed by the head of the coil winding and a power lead electrically connected to each other, and the connector is fixed in the first groove via sealant. The ground module having at least: a ground pipe; a ground valve; and a ground plate provided with a ground passage, and the on-board module having at least: an on-board pipe; an on-board valve; and an onboard plate provided with an on-board passage. The flange fitting includes a flange body around the opening of the fluid conduit, a leak detection passageway formed in the flange body, and a leak detection port formed in the flange body. The projection-type image display device includes a first cooler configured to cool a first light source of the three light sources, and a second cooler configured to cool a second and a third light source of the three light sources except the first light source. More specifically, an improved wire bond is described wherein the bond pad on a surface of the semiconductor device comprises a layer of copper and at least one layer of metal andor at least a barrier layer of material between the copper layer and one layer of metal on the copper layer to form a bond pad.