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Carl J. Radens, Lagrangeville US

Carl J. Radens, Lagrangeville, NY US

Patent application numberDescriptionPublished
20080261128Methods and structures for protecting one area while processing another area on a chip - Increased protection of areas of a chip are provided by both a mask structure of increased robustness in regard to semiconductor manufacturing processes or which can be removed with increased selectivity and controllability in regard to underlying materials, or both. Mask structures are provided which exhibit an interface of a chemical reaction, grain or material type which can be exploited to enhance either or both types of protection. Structures of such masks include TERA material which can be converted or hydrated and selectively etched using a mixture of hydrogen fluoride and a hygroscopic acid or organic solvent, and two layer structures of similar or dissimilar materials.10-23-2008
20080286909SIDEWALL SEMICONDUCTOR TRANSISTORS - A novel transistor structure and method for fabricating the same. First, a substrate, a semiconductor region, a gate dielectric region, and a gate block are provided. The semiconductor region, the gate dielectric region, and the gate block are on the substrate. The gate dielectric region is sandwiched between the semiconductor region and the gate block. The semiconductor region is electrically insulated from the gate block by the gate dielectric region. The semiconductor region and the gate dielectric region share an interface surface which is essentially perpendicular to a top surface of the substrate. The semiconductor region and the gate dielectric region do not share any interface surface that is essentially parallel to a top surface of the substrate. Next, a gate region is formed from the gate block. Then, first and second source/drain regions are formed in the semiconductor region.11-20-2008
20090041989CORRUGATED INTERFACES FOR MULTILAYERED INTERCONNECTS - Dielectric composite structures comprising interfaces possessing nanometer scale corrugated interfaces in interconnect stack provide enhances adhesion strength and interfacial fracture toughness. Composite structures further comprising corrugated adhesion promoter layers to further increase intrinsic interfacial adhesion are also described. Methods to form the nanometer scale corrugated interfaces for enabling these structures using self assembling polymer systems and pattern transfer process are also described.02-12-2009
20090047756DUAL PORT GAIN CELL WITH SIDE AND TOP GATED READ TRANSISTOR - A DRAM memory cell and process sequence for fabricating a dense (20 or 18 square) layout is fabricated with silicon-on-insulator (SOI) CMOS technology. Specifically, the present invention provides a dense, high-performance SRAM cell replacement that is compatible with existing SOI CMOS technologies. Various gain cell layouts are known in the art. The present invention improves on the state of the art by providing a dense layout that is fabricated with SOI CMOS. In general terms, the memory cell includes a first transistor provided with a gate, a source, and a drain respectively; a second transistor having a first gate, a second gate, a source, and a drain respectively; and a capacitor having a first terminal, wherein the first terminal of said capacitor and the second gate of said second transistor comprise a single entity.02-19-2009
20090073758SRAM CELLS WITH ASYMMETRIC FLOATING-BODY PASS-GATE TRANSISTORS - The embodiments of the invention provide SRAM cells with asymmetric floating-body pass-gate transistors. More specifically, a semiconductor device includes an SRAM cell, a first pass-gate transistor, and a second pass-gate transistor. The first pass-gate transistor is connected to a first side of the SRAM cell, wherein the first pass-gate transistor comprises a first drain region and a first source region. The second pass-gate transistor is connected to a second side of the SRAM cell, wherein the second side is opposite the first side. The second pass-gate transistor comprises a second source region and a second drain region. Furthermore, the first source region and/or the second source region comprise a xenon implant. The first drain region and the second drain region each lack a xenon implant.03-19-2009
20090090939SELF-ASSEMBLED SIDEWALL SPACER - A semiconductor structure is provided that includes a spacer directly abutting a topographic edge of at least one patterned material layer. The spacer is a non-removable polymeric block component of a self-assembled block copolymer. A method of forming such a semiconductor structure including the inventive spacer is also provided that utilizes self-assembled block copolymer technology.04-09-2009
20090093133SELF-ASSEMBLED SIDEWALL SPACER - A semiconductor structure is provided that includes a spacer directly abutting a topographic edge of at least one patterned material layer. The spacer is a non-removable polymeric block component of a self-assembled block copolymer. A method of forming such a semiconductor structure including the inventive spacer is also provided that utilizes self-assembled block copolymer technology.04-09-2009
20090121261STRUCTURE AND METHOD FOR COMPACT LONG-CHANNEL FETs - A compact semiconductor structure including at least one FET located upon and within a surface of a semiconductor substrate in which the at least one FET includes a long channel length and/or a wide channel width and a method of fabricating the same are provided. In some embodiments, the ordered, nanosized pattern is oriented in a direction that is perpendicular to the current flow. In such an embodiment, the FET has a long channel length. In other embodiments, the ordered, nanosized pattern is oriented in a direction that is parallel to that of the current flow. In such an embodiment, the FET has a wide channel width. In yet another embodiment, one ordered, nanosized pattern is oriented in a direction perpendicular to the current flow, while another ordered, nanosized pattern is oriented in a direction parallel to the current flow. In such an embodiment, a FET having a long channel length and wide channel width is provided.05-14-2009
20090142894METHOD FOR FABRICATING A SEMICONDUCTOR STRUCTURE - A method for fabricating a semiconductor structure. The novel transistor structure comprises first and second source/drain (S/D) regions whose top surfaces are lower than a top surface of the channel region of the transistor structure. A semiconductor layer and a gate stack on the semiconductor layer are provided. The semiconductor layer includes (i) a channel region directly beneath the gate stack, and (ii) first and second semiconductor regions essentially not covered by the gate stack, and wherein the channel region is disposed between the first and second semiconductor regions. The first and second semiconductor regions are removed. Regions directly beneath the removed first and second semiconductor regions are removed so as to form first and second source/drain regions, respectively, such that top surfaces of the first and second source/drain regions are below a top surface of the channel region.06-04-2009
20090159947SIMPLIFIED VERTICAL ARRAY DEVICE DRAM/eDRAM INTEGRATION - The present invention provides a semiconductor structure that includes an active wordline located above a semiconductor memory device and a passive wordline located adjacent to said active wordline and above an active area of a substrate. In accordance with the present invention, the passive wordline is separated from the active area by a pad nitride. The present invention also provides a design structure of the semiconductor structure, wherein the design structure is embodied in a machine readable medium.06-25-2009
20090176339Method of multi-port memory fabrication with parallel connected trench capacitors in a cell - A method is provided for fabricating a multi-port memory in which a plurality of parallel connected capacitors are in a cell. A plurality of trench capacitors are formed which have capacitor dielectric layers extending along walls of the plurality of trenches, the plurality of trench capacitors having first capacitor plates and second capacitor plates opposite the capacitor dielectric layers from the first capacitor plates. The first capacitor plates are conductively tied together and the second capacitor plates are conductively tied together. In this way, the first capacitor plates are adapted to receive a same variable voltage and the second capacitor plates are adapted to receive a same fixed voltage.07-09-2009
20090184374ANISOTROPIC STRESS GENERATION BY STRESS-GENERATING LINERS HAVING A SUBLITHOGRAPHIC WIDTH - A protruding structure having a linear edge is formed on a substrate. The protruding structure may be a gate line of a field effect transistor. A stress-generating liner is deposited on the substrate. A non-photosensitive self-assembling block copolymer layer containing at least two immiscible polymeric block components is deposited on the stress-generating liner, and is annealed to allow phase separation of immiscible components. The polymeric resist is developed to remove at least one of the at least two polymeric block components, which formed a pattern of nested lines due to the linear edge of the protruding structure. Linear nanoscale stripes are formed in the polymeric resist which is self-aligning and self-assembled. The stress-generating layer is patterned into linear stress-generating stripes having a sublithographic width. The linear stress-generating stripes provide a predominantly uniaxial stress along their lengthwise direction, providing an anisotropic stress to an underlying semiconductor device.07-23-2009
20090246921SEMICONDUCTOR DEVICES HAVING TENSILE AND/OR COMPRESSIVE STRAIN AND METHODS OF MANUFACTURING AND DESIGN STRUCTURE - A semiconductor device having a tensile and/or compressive strain applied thereto and methods of manufacturing the semiconductor devices and design structure to enhance channel strain. The method includes forming a gate structure for an NFET and a PFET and forming sidewalls on the gate structure for the NFET and the PFET using a same deposition and etching process. The method also includes providing stress materials in the source and drain regions of the NFET and the PFET.10-01-2009
20100151638ANISOTROPIC STRESS GENERATION BY STRESS-GENERATING LINERS HAVING A SUBLITHOGRAPHIC WIDTH - A protruding structure having a linear edge is formed on a substrate. The protruding structure may be a gate line of a field effect transistor. A stress-generating liner is deposited on the substrate. A non-photosensitive self-assembling block copolymer layer containing at least two immiscible polymeric block components is deposited on the stress-generating liner, and is annealed to allow phase separation of immiscible components. The polymeric resist is developed to remove at least one of the at least two polymeric block components, which formed a pattern of nested lines due to the linear edge of the protruding structure. Linear nanoscale stripes are formed in the polymeric resist which is self-aligning and self-assembled. The stress-generating layer is patterned into linear stress-generating stripes having a sublithographic width. The linear stress-generating stripes provide a predominantly uniaxial stress along their lengthwise direction, providing an anisotropic stress to an underlying semiconductor device.06-17-2010
20110101378SEMICONDUCTOR DEVICES HAVING TENSILE AND/OR COMPRESSIVE STRAIN AND METHODS OF MANUFACTURING AND DESIGN STRUCTURE - A semiconductor device having a tensile and/or compressive strain applied thereto and methods of manufacturing the semiconductor devices and design structure to enhance channel strain. The method includes forming a gate structure for an NFET and a PFET and forming sidewalls on the gate structure for the NFET and the PFET using a same deposition and etching process. The method also includes providing stress materials in the source and drain regions of the NFET and the PFET.05-05-2011

Patent applications by Carl J. Radens, Lagrangeville, NY US