Abstract: A CMOS receiver system having a tunable receiver having a tunable gain and a bandwidth system is provided. The tunable receiver includes means for receiving input signals; and a control circuit controlled by a control signal for tuning at least one of the gain and the bandwidth of the tunable receiver, wherein the control signal is indicative of a data rate of the input signals. Furthermore, a method is provided for tuning a CMOS receiver receiving input signals. The method includes the steps of receiving at least one control signal, and controlling one of gain and bandwidth of the CMOS receiver in accordance with the at least one control signal, wherein the at least one control signal is indicative of a data rate of the received input signals.
Type:
Grant
Filed:
April 9, 2002
Date of Patent:
August 17, 2010
Assignee:
International Business Machines Corporation
Inventors:
Louis L. Hsu, Li-Kong Wang, Philip J. Murfet
Abstract: A row redundancy system is provided for replacing faulty wordlines of a memory array having a plurality of banks. The row redundancy system includes a remote fuse bay storing at least one faulty address corresponding to a faulty wordline of the memory array; a row fuse array for storing row fuse information corresponding to at least one bank of the memory array; and a copy logic module for copying at least one faulty address stored in the remote fuse bay into the row fuse array; wherein the copy logic module is programmed to copy the at least one faulty address into the row fuse information stored in the row fuse array corresponding to a predetermined number of banks in accordance with a selectable repair field size.
Type:
Grant
Filed:
June 2, 2008
Date of Patent:
August 10, 2010
Assignee:
International Business Machines Corporation
Inventors:
Louis L. Hsu, Gregory J. Fredeman, Rajiv V. Joshi, Toshiaki Kirihata
Abstract: Aspects of the invention relate to a programmable heavy-ion sensing device for accelerated DRAM soft error detection. Design of a DRAM-based alpha particle sensing apparatus is preferred to be used as an accelerated on-chip SER test vehicle. The sensing apparatus is provided with programmable sensing margin, refresh rate, and supply voltage to achieve various degree of SER sensitivity. In addition, a dual-mode DRAM array is proposed so that at least a portion of the array can be used to monitor high-energy particle activities during soft-error detection (SED) mode.
Type:
Grant
Filed:
March 21, 2007
Date of Patent:
March 3, 2009
Assignee:
International Business Machines Corporation
Inventors:
Howard H. Chen, John A. Fifield, Louis L. Hsu, Henry H. K. Tang
Abstract: Image processing is used to determine information about the position of a designated object, particularly where the object is difficult to view or locate. In particular, use in endoscopic surgery can determine positional information about an anatomical feature within a patient's body. The positional information is then used to position or reposition a surgical instrument in relation to the designated object. An instrument placed in relation to the designated object is capable of sending information about the object to a computer. Image processing generates images and determines positional information, which can be used as input to robotic devices or rendered to a human user.
Type:
Grant
Filed:
June 16, 2000
Date of Patent:
November 4, 2008
Assignee:
International Business Machines Corporation
Inventors:
Janez Funda, David Arthur LaRose, Russell Highsmith Taylor
Abstract: A row redundancy system is provided for replacing faulty wordlines of a memory array having a plurality of banks. The row redundancy system includes a remote fuse bay storing at least one faulty address corresponding to a faulty wordline of the memory array; a row fuse array for storing row fuse information corresponding to at least one bank of the memory array; and a copy logic module for copying at least one faulty address stored in the remote fuse bay into the row fuse array; the copy logic module is programmed to copy the at least one faulty address into the row fuse information stored in the row fuse array corresponding to a predetermined number of banks in accordance with a selectable repair field size.
Type:
Grant
Filed:
January 7, 2005
Date of Patent:
July 22, 2008
Assignee:
International Business Machines Corporation
Inventors:
Louis L. Hsu, Gregory J. Fredeman, Rajiv V. Joshi, Toshiaki Kirihata
Abstract: An apparatus for providing two-phase heat transfer for semiconductor devices includes a vapor chamber configured to carry a cooling liquid, the vapor chamber having base section, and a plurality of three-dimensional (3D) shaped members. The plurality of 3D-shaped members have interior and exterior sidewalls, the 3D-shaped members being connected to the base section so that vapor carrying latent heat can reach the respective interior sidewalls and get transferred to the respective exterior sidewalls configured to be in contact with an external coolant. The vapor chamber is configured to be in contact with a semiconductor device in order to remove heat therefrom.
Type:
Grant
Filed:
May 3, 2006
Date of Patent:
May 6, 2008
Assignee:
International Business Machines Corporation
Inventors:
Howard Chen, Hsichang Liu, Louis Hsu, Lawrence Mok
Abstract: User socialization with and social visualization of web sites is provided with a mapping data structure representing two or more categories. Each of the categories is divided into subcategories of ordered levels of specificity. Each of the ordered levels of specificity is also grouped into subcategories of the same levels of specificity.
Type:
Grant
Filed:
February 16, 2001
Date of Patent:
February 12, 2008
Assignee:
International Business Machines Corporation
Inventors:
Alison Lee, Younghee Jung, Peter Malkin