Motorola

About: Motorola is a company organization based out in Schaumburg, Illinois, United States. It is known for research contribution in the topics: Signal & Communications system. The organization has 27298 authors who have published 38274 publications receiving 968710 citations. The organization is also known as: Motorola, Inc. & Galvin Manufacturing Corporation.

Semiconductor device having compliant columnar electrical connections

Abstract: An array type semiconductor device (10 and 40) has compliant polymer columnar I/O connections (30) to accommodate thermally induced stress during device operation. The device has a semiconductor die (22) mounted to a substrate (12) and electrically connected thereto. A package body (28, 46) covers the semiconductor die and electrical connections (26, 42) to provide mechanical protection. The I/O contacts are formed from a polymer core (34) that is metallized to impart electrical conductivity to the contacts. The metallization (36, 38) may either be a plating around the polymer core or fillers embedded in the polymer. The aspect ratio of the polymer contacts is greater than one to provide compliance while maintaining high I/O density in the array. The metallized polymer contacts may be attached to the package substrate and to a PWB with joints (32) composed of either solder or a conductive adhesive.

Anisotropic conductive adhesive and encapsulant material

Abstract: An adhesive material 220 including a fluxing agent and metal particles 240 is applied to either a substrate 200 having a metallization pattern 210 or an electrical component 230 The component 230 is positioned on the substrate 210 and heated During the heating step, the fluxing agent promotes adhesion of the metal particles 240 to the substrate metallization pattern 210 and the component, and the adhesive material 220 is cured, to mechanically interconnect and encapsulate the substrate 210 and the component 230

Method and apparatus for inserting computer code into a high level language (HLL) software model of an electrical circuit to monitor test coverage of the software model when exposed to test inputs

Abstract: A method and apparatus, for determining test coverage estimation for an electrical circuit (10) formed in accordance with an original high level description (21), uses a central processing unit (CPU 18). The CPU (18) accesses the description (21) and parses the high level language description (21) to allow for the generation of new code. This new code is intermixed with code from the description (21) to form a new high level description (22) which not only can be used to simulate the electrical circuit but can collect test coverage information. A simulation of the description (22) is performed using test vector inputs to simulate operation of the circuit (10) and estimate it's test coverage for the test vectors. Various warning/error messages are derived to indicate where the test vectors are lacking in test coverage.

Synchronization for femto-cell base stations

Abstract: Timing synchronization between base stations of uncoordinated communication networks includes obtaining timing synchronization information from one base station, and adjusting a clock of the other station in response to the synchronization information. The timing synchronization information can be identified from a strongest synchronization signal from nearby uncoordinated base stations. The timing synchronization can accommodate clock offsets and frequency offsets.

Selective call receiver capable of requesting information from a communication system and method therefor

Abstract: A communication system has a base station (100) having memory (116) for storing information within a plurality of information files relating to a plurality of information services (120, 122, 123, 124, 126, 128, 130). A receiver receives an information service request for requesting information within at least one of the plurality of information files from a selective call receiver (200). A transmitter transmits the information requested from within the at least one information service file to the selective call receiver (200). The selective call receiver (200) includes a generator for generating the information service request and a transmitter (212) transmitting the information service request. The selective call receiver receives the information transmitted from the base station (100) in response to the information service request and a display (208) displays the received information.