Patent classifications
H01L2924/2064
Method to provide die attach stress relief using gold stud bumps
An integrated circuit is attached to a substrate with a controlled stand-off height, by mounting a plurality of stud bumps of the controlled stand-off height to the substrate at predetermined locations, placing adhesive dots over the stud bumps, placing the integrated circuit on the substrate over the adhesive dots, and applying downward pressure on the integrated circuit until the integrated circuit is in mechanical contact with the stud bumps.
Method to provide die attach stress relief using gold stud bumps
An integrated circuit is attached to a substrate with a controlled stand-off height, by mounting a plurality of stud bumps of the controlled stand-off height to the substrate at predetermined locations, placing adhesive dots over the stud bumps, placing the integrated circuit on the substrate over the adhesive dots, and applying downward pressure on the integrated circuit until the integrated circuit is in mechanical contact with the stud bumps.
Methods for Microelectronics Fabrication and Packaging Using a Magnetic Polymer
A magnetic polymer for use in microelectronic fabrication includes a polymer matrix and a plurality of ferromagnetic particles disposed in the polymer matrix. The magnetic polymer can be part of an insulation layer in an inductor formed in one or more backend wiring layers of an integrated device. The magnetic polymer can also be in the form of a magnetic epoxy layer for mounting contacts of the integrated device to a package substrate.
Multilayer pillar for reduced stress interconnect and method of making same
A multi-layer pillar and method of fabricating the same is provided. The multi-layer pillar is used as an interconnect between a chip and substrate. The pillar has at least one low strength, high ductility deformation region configured to absorb force imposed during chip assembly and thermal excursions.
Fingerprint Sensor Device and Method
A fingerprint sensor package and method are provided. The fingerprint sensor package comprises a fingerprint sensor along with a fingerprint sensor surface material and electrical connections from a first side of the fingerprint sensor to a second side of the fingerprint sensor. A high voltage chip is connected to the fingerprint sensor and then the fingerprint sensor package with the high voltage chip are connected to a substrate, wherein the substrate has an opening to accommodate the presence of the high voltage chip.
Semiconductor device and method for manufacturing the semiconductor device
A semiconductor device has a module structure in which a semiconductor element and a circuit layer are electrically connected to each other by a wire. A front metal layer is formed on a surface of a top side electrode of the semiconductor element and the wire is bonded to the front metal layer by wire bonding. The front metal layer has a higher hardness than the top side electrode or the wire. A bonding interface of the wire with the metal film has a recrystallization temperature that is equal to or higher than 175° C. According to this structure, it is possible to improve the power cycle resistance of the semiconductor device.
Wafer structure and method for wafer dicing
The semiconductor die includes a base body, protruding portions and bonding pads. The base body has sidewalls. The protruding portions are laterally protruding from the sidewalls respectively. The bonding pads are disposed on the protruding portions respectively. The wafer dicing method includes following operations. Chips are formed on a semiconductor wafer. Bonding pads are formed on a border line between every two of the adjacent chips. A scribe line is formed and disposed along the bonding pads. A photolithographic pattern is formed on a top surface of the semiconductor wafer to expose the scribe line. The scribe line is etched to a depth in the semiconductor wafer substantially below the top surface layer to form an etched pattern. A back surface of the semiconductor wafer is thinned until the etched pattern in the wafer substrate is exposed.
Semiconductor packages and methods of forming the same
Embodiments of the present disclosure include semiconductor packages and methods of forming the same. An embodiment is a semiconductor package including a first package including one or more dies, and a redistribution layer coupled to the one or more dies at a first side of the first package with a first set of bonding joints. The redistribution layer including more than one metal layer disposed in more than one passivation layer, the first set of bonding joints being directly coupled to at least one of the one or more metal layers, and a first set of connectors coupled to a second side of the redistribution layer, the second side being opposite the first side.
Semiconductor packages and methods of forming the same
Embodiments of the present disclosure include semiconductor packages and methods of forming the same. An embodiment is a semiconductor package including a first package including one or more dies, and a redistribution layer coupled to the one or more dies at a first side of the first package with a first set of bonding joints. The redistribution layer including more than one metal layer disposed in more than one passivation layer, the first set of bonding joints being directly coupled to at least one of the one or more metal layers, and a first set of connectors coupled to a second side of the redistribution layer, the second side being opposite the first side.
SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF
A semiconductor device includes a semiconductor substrate, a conductive pad on the semiconductor substrate, and a conductor over the conductive pad. The semiconductor device further has a molding compound surrounding the semiconductor substrate, the conductive pad and the conductor. In the semiconductor device, the conductor has a stud shape.