摘要:
A Global Positioning System (GPS) antenna apparatus in a wireless communication device is provided. The GPS antenna apparatus includes a GPS antenna radiator and at least one blocking layer. The GPS antenna radiator receives a GPS signal. The at least one blocking layer is installed proximate to the GPS antenna radiator so as to block an external noise introduced to the GPS antenna radiator.
摘要:
The invention is a damper pulley which comprises of a cylindrical hub 12 being made of cast iron and coupled to the crankshaft of the engine, a hub plate 16 being made of steel plate and having a central hole 22 on which the hub 12 is attached and a rim 24 at the periphery of it, a rubber layer 18 being attached on the rim 24 of the hub plate 16, and a pulley attached on the outer surface of the rubber layer 18.
摘要:
A torsional vibration damper which comprises of a hub 12 having a central hole 3 to be inserted on the crankshaft and being formed to have a recess opened on one side, a disc 4 extending from the hub 2, a rim 5 being bent and extending from the periphery of the disc 4, a rubber layer 6 attached on the outer surface of the rim 5, and a ring member 8 or pulley inserted on the outer surface of the rubber layer 6, wherein a polygonal recess 10 is formed on the connecting area between the hub 2 and the disc 4 so that the polygonal recess 10 surrounds the hub 2.
摘要:
A semiconductor device includes a semiconductor chip having a top surface on which a first conductive pad is disposed, a bottom surface opposite to the top surface, and a side surface connecting the top and bottom surfaces to each other, a first reinforcement layer on the top surface of the semiconductor chip, a first absorption layer between the top surface of the semiconductor chip and the first reinforcement layer to absorb a stress resulting from a difference in thermal expansion coefficient between the first reinforcement layer and the semiconductor chip, and a connection terminal disposed on the first reinforcement layer and electrically connected to the first conductive pad.
摘要:
A semiconductor chip package having a metal bump and related method of fabrication are provided. The semiconductor chip package includes first and second bonding pads separated on a substrate, an insulating layer from on the substrate with first and second openings respectively exposing the first and second bonding pads, and an oxidation preventing pattern formed from a nickel layer and a silver layer and formed on the first and second bonding pads.