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Assignee: Powerchip Semiconductor Corp.


Location: Hsin-chu, TW
No. of patents: 102

1      
NumberTitleIssue Date
7903470Integrated circuits and discharge circuits
An integrated circuit is provided. The integrated circuit includes a memory device and a discharge circuit. The discharge circuit discharges the well voltage line and the first voltage line of the memory device after the end of the erasing period and includes a firs...
03/08/2011
7778087Memory programming method and data access method
A memory programming method is provided. A first programming operation is performed to program a multi level cell from an initial state to a first target state, which corresponds to a storage data and has a first threshold voltage range. A flag bit of the NAND flash...
08/17/2010
7679163Phase-change memory element
A phase-change memory element for reducing heat loss is disclosed. The phase-change memory element comprises a composite layer, wherein the composite layer comprises a dielectric material and a low thermal conductivity material. A via hole is formed within the compo...
03/16/2010
7679157Image sensor and fabrication method thereof
An image sensor has a substrate, a dielectric layer positioned on the substrate, a pixel array including a plurality of pixels defined on the substrate, a shield electrode positioned between any two adjacent pixel electrodes of the pixels, a photo conductive layer p...
03/16/2010
7679075Phase change memory array and fabrication thereof
A phase change memory array is disclosed, comprising a first cell having a patterned phase change layer, and a second cell having a patterned phase change layer, wherein the patterned phase change layer of the first cell and the patterned phase change layer of the s...
03/16/2010
7678606Phase change memory device and fabrication method thereof
A phase change memory device is disclosed. A second conductive spacer is under a first conductive spacer. A phase change layer comprises a first portion substantially parallel to the first and second conductive spacers and a second portion on top of the second condu...
03/16/2010
7675054Phase change memory devices and methods for fabricating the same
Phase change memory devices and methods for fabricating the same are provided. A phase change memory device includes a first conductive electrode disposed in a first dielectric layer. A second dielectric layer is disposed over the first dielectric layer. A phase cha...
03/09/2010
7672176Writing circuit for a phase change memory
A writing circuit for a phase change memory is provided. The writing circuit comprises a driving current generating circuit, a first switch device, a first memory cell and a second switch device. The driving current generating circuit provides a writing current to t...
03/02/2010
7671385Image sensor and fabrication method thereof
An image sensor contains a semiconductor substrate, a plurality of pixels defined on the semiconductor substrate, a photo conductive layer and a transparent conductive layer formed on the pixel electrodes of the pixels in order, and a shield device positioned betwee...
03/02/2010
7670869Semiconductor device and fabrications thereof
A memory device is disclosed. A pillar structure comprises a first electrode layer, a dielectric layer overlying the first electrode layer, and a second electrode layer overlying the dielectric layer. A phase change layer covers a surrounding of the pillar structure...
03/02/2010
7660147Programming method for phase change memory
A programming method for a phase change memory based on the phase transformations between amorphous and crystalline phases is disclosed. The programming method comprises a current pulse with step waveform providing a first crystallization current pulse to the phase ...
02/09/2010
7655941Phase change memory device and method for fabricating the same
A phase change memory device comprising a substrate. A plurality of bottom electrodes isolated from each other is on the substrate. An insulating layer crosses a portion of the surfaces of any two of the adjacent bottom electrodes. A pair of phase change material sp...
02/02/2010
7638799Image sensor structure with recessed separator layer
An image sensor structure includes a plurality of pixels formed on a substrate. Each pixel includes an image senor interconnect structure, a separator layer and an electrode layer, wherein the separator layer has a first thickness an a sidewall of the separator laye...
12/29/2009
7569909Phase change memory devices and methods for manufacturing the same
Phase change memory devices and methods for manufacturing the same are provided. An exemplary embodiment of a phase change memory device comprises a substrate. A dielectric layer is formed over the substrate and a phase change material layer is embedded in the diele...
08/04/2009
7569845Phase-change memory and fabrication method thereof
A phase-change memory comprises a bottom electrode formed on a substrate. A first isolation layer is formed on the bottom electrode. A top electrode is formed on the isolation layer. A first phase-change material is formed in the first isolation layer, wherein the t...
08/04/2009
7566895Phase change memory device and method for fabricating the same
A phase change memory device is provided. The phase change memory device includes a substrate comprising a stacked structure. The stacked structure comprises a plurality of insulating layers and conductive layers. Any two of the conductive layers are spaced apart by...
07/28/2009
7538043Phase change memory device and fabrication method thereof
A phase change memory device comprising an electrode, a phase change layer crossing and contacting the electrode at a cross region thereof, and a transistor comprising a source and a drain, wherein the drain of the transistor electrically connects the electrode or t...
05/26/2009
7521372Method of fabrication of phase-change memory
A phase-change memory and fabrication method thereof. The phase-change memory comprises a transistor, and a phase-change material layer. In particular, the phase-change material layer is directly in contact with one electrical terminal of the transistor. Particularl...
04/21/2009
7462902Nonvolatile memory
A nonvolatile memory is provided. The memory includes a select transistor and a trench transistor. The select transistor is formed on the substrate. The select transistor includes a first gate formed on the substrate and first and second source/drain regions formed ...
12/09/2008
7462537Fabricating method of an non-volatile memory
A method of fabricating a non-volatile memory is provided. A substrate having a trench therein for forming a trench device is provided. Then, a doped metal silicide layer is formed on the substrate in the trench. A heating process is performed to form a source/drain...
12/09/2008
7461472Half-tone phase shift mask and patterning method using thereof
A half-tone phase shift mask including at least a mask substrate, a half-tone phase shift layer and a sheltering layer. The half-tone phase shift layer is a strip-like profile that forms on the surface of the mask substrate. The sheltering layer is formed on the two...
12/09/2008
7449902Probe system
A probe apparatus and a probe system are provided. The probe apparatus uses a larger printed circuit board to dispose a plurality of testers. The layout of each of the testers on the circuit board is modified accordingly, such that more number of the testers can be ...
11/11/2008
7446872Positioning apparatus and positioning method using the same
An apparatus for positioning a transport system and a load port is described, including a signal emitting unit disposed on the transport system and a positioning board on the load port. The signal emitting unit has two positioning points thereon capable of emitting ...
11/04/2008
7446370Non-volatile memory
A non-volatile memory is provided, including a substrate, a control gate, a floating gate, and a select gate. A source region and a drain region are disposed in the substrate. The control gate is disposed on the substrate between the source region and the drain regi...
11/04/2008
7445999Fabricating method of a flash memory cell
A flash memory cell including a first conductive type substrate, a second conductive type well, a patterned film layer, a second conductive type doped region, a tunneling dielectric layer, a plurality of floating gates, an inter-gate dielectric layer and a plurality...
11/04/2008
7445998Method for fabricating semiconductor device
A method for fabricating a semiconductor device is described. The method includes providing a substrate having a trench therein, and a trench device in the trench. The trench device includes two gate structures disposed on the sidewalls of the trench, a doped region...
11/04/2008
7445993Method of fabricating non-volatile memory
A method of fabricating non-volatile memory is provided. A plurality of first memory cells is formed on the memory cell region of a substrate. Each first memory cell comprises a first composite layer, a first gate and a cap layer. There is a gap between two adjacent...
11/04/2008
7442998Non-volatile memory device
A method of fabricating a non-volatile memory is provided. A memory cell array having first memory units and second memory units is formed on a substrate. Then, a source region and a drain region are formed in the substrate on the respective sides of the memory cell...
10/28/2008
7442980Anti-punch-through semiconductor device
An anti-punch-through semiconductor device is provided. The anti-punch-through semiconductor device includes a substrate, at least an isolation region and a plurality of trench devices. The trench device is disposed in the substrate. The trench device includes a sou...
10/28/2008
7442561Method of piping defect detection
A method of piping defect detection is provided. A semiconductor substrate having an active region and an isolation region is provided, a plurality of semiconductor elements are formed on the semiconductor substrate, a dielectric layer is deposited on the semiconduc...
10/28/2008
7436489Device for testing an exposure apparatus
A device and a method for testing an exposure apparatus is disclosed. A testing device includes a substrate, and a plurality of block patterns, each of which has a top area varying with an area of a shot region of the exposure apparatus, having at least two differen...
10/14/2008
7436028One-time programmable read only memory and operating method thereof
A one-time programmable read only memory is provided. The memory includes a substrate, a select transistor, an electrode and a dielectric layer. The select transistor is formed on the substrate. The electrode is formed over the source region of the select transistor...
10/14/2008
7435642Method of evaluating the uniformity of the thickness of the polysilicon gate layer
A method of evaluating the uniformity of the thickness of the polysilicon gate layer is provided. A substrate having a dense trenches area and a sparse trenches area is provided. A plurality of first trench isolation structures are formed in the sparse trenches area...
10/14/2008
7433750Data tracking method and system applied in semiconductor manufacturing
A data tracking method applied in semiconductor manufacturing is provided. Split historical data of a wafer lot is retrieved and it is determined whether the end of lot data of the wafer lot is read. If not, a maximum split number required for a split processing app...
10/07/2008
7431260Wafer measuring fixture
A wafer-measuring fixture suitable for carrying a broken wafer is described. The wafer-measuring fixture comprises a base having a carrying component. The carrying component is used to hold the broken wafer. Furthermore, a plurality of scale marks is set around the ...
10/07/2008
7429527Method of manufacturing self-aligned contact openings
A method of manufacturing self-aligned contact openings is provided. A substrate having a number of device structures is provided and the top of the device structures is higher than the surface of the substrate. A first dielectric layer and a conductive layer are se...
09/30/2008
7429503Method of manufacturing well pick-up structure of non-volatile memory
A method of manufacturing a well pick-up structure of a non-volatile memory is provided. A substrate including a first conductive type well, device isolation structures and dummy memory columns is provided. Each of the dummy memory columns includes a second conducti...
09/30/2008
7412090Method of managing wafer defects
A method of managing wafer defects includes inspecting each chip in a wafer to generate a unit of wafer defect raw data, using a server to integrate the unit of wafer defect raw data to generate a unit of wafer defect distribution data for recording positions, types...
08/12/2008
7411276Photosensitive device
A photosensitive device having at least an insulator layer including a plurality of photoreceiving regions disposed on a substrate. A plurality of conductive patterns is disposed on the insulator layer without covering the photoreceiving regions. A flattened dielect...
08/12/2008
7405124Fabricating method of non-volatile memory
A method for fabricating a non-volatile memory is described. A substrate having isolation structures is provided. These isolation structures protrude from the substrate, and a first mask layer is formed on the substrate between the isolation structures. A second mas...
07/29/2008
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