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Class 257/E21.527 - Optical enhancement of defects or not directly visible states, e.g., selective electrolytic deposition, bubbles in liquids, light emission, color change (EPO)


Subclass of Class 257 - Active solid-state devices (e.g., transistors, solid-state diodes)
Definition: This subclass is indented under subclass E21.525. This subclass
No. of patents: 62
Last issue date: 04/29/2008


1    
NumberTitleIssue Date
7364930Method for producing micromechanical and micro-optic components consisting of glass-type materials
What is proposed here is a method of structuring surfaces of glass-type materials and variants of this method, comprising the following steps of operation: providing a semiconductor substrate, structuring, with the formation of recesses, of at least one surface of t...
04/29/2008
7361541Programming optical device
A semiconductor light emitting device and a method to form the same are disclosed. The device has at least one porous or low density dielectric region formed in or on top of a bottom electrode, at least one top electrode on the porous or low density dielectric regio...
04/22/2008
7256473Composite structure with high heat dissipation
A composite structure is disclosed that includes a support wafer and a layered structure on the support wafer. The layered structure includes at least one layer of a monocrystalline material and at least one layer of a dielectric material. In addition, the layered s...
08/14/2007
7211461Manufacturing apparatus
The purpose of the invention is increasing the efficiency of utilizing an EL material and providing a deposition method and a vapor deposition apparatus which is one of the film formation systems which are excellent in throughput and uniformity in film thickness in ...
05/01/2007
7205167Method to detect photoresist residue on a semiconductor device
A method for detecting photoresist residue during semiconductor device manufacture includes developing photoresist on a surface of a semiconductor device to expose portions of the surface A plurality of etch paths are then partially etched into the surface and inspe...
04/17/2007
6656678Method for examination of a surface layer
In a method for examination of the surface of an object for a topographic and/or a chemical property, the object-surface is impinged with surface-structure selective biocomponents for examination of a topographic property and/or with chemoselective biocom...
12/02/2003
6650022Semiconductor device exhibiting enhanced pattern recognition when illuminated in a machine vision system
A bumped semiconductor device (10) exhibiting enhanced pattern recognition when illuminated in a machine vision system. The semiconductor device has a substantially coplanar array of solder bumps (16) and a coating of underfill material (17) on one face. ...
11/18/2003
6642150Method for testing for blind hole formed in wafer layer
A new method for detecting blind holes in the contact layer of a multi-chip semiconductor test wafer makes use of the fact that if the hole is not a blind hole, a subsequent etch step extends the hole a predetermined distance into the layer immediately un...
11/04/2003
6617176METHOD OF DETERMINING BARRIER LAYER EFFECTIVENESS FOR PREVENTING METALLIZATION DIFFUSION BY FORMING A TEST SPECIMEN DEVICE AND USING A METAL PENETRATION MEASUREMENT TECHNIQUE FOR FABRICATING A PRODUCTION SEMICONDUCTOR DEVICE AND A TEST SPECIMEN DEVICE THEREBY FORMED
A method (M) of determining the effectiveness of a deposited thin conformal barrier layer (30) by forming a test specimen and measuring the copper (Cu) penetration from a metallization layer (40) through the barrier layer (30) (e.g., refractory metals, th...
09/09/2003
6600557Method for the detection of processing-induced defects in a silicon wafer
A process for detecting mechanical and mechanochemical defects in the surface or edge of a silicon wafer resulting from a wafer manufacturing process. The present process comprises treating a surface of the silicon wafer with an aqueous etch solution comp...
07/29/2003
6596553Method of pinhole decoration and detection
An exemplary embodiment relates to a method of pinhole decoration and detection. The method can include providing a material layer above an amorphous carbon layer where the material layer has a pinhole, providing a film over the material layer where the f...
07/22/2003
6521355Optical color tracer indentifier in metal paste that bleed to greensheet
A coating material used in the fabrication of electronic components such as a metallized paste is provided comprising a material to be coated on the electronic component substrate and an identifying component which identifying component can be identified ...
02/18/2003
6521470Method of measuring thickness of epitaxial layer
A method of measuring the thickness of an epitaxial layer is disclosed. The method is particularly useful in measuring the epitaxial layer with a doping concentration lower than or similar to the substrate on which the epitaxial layer is formed. The metho...
02/18/2003
6518591Contact monitor, method of forming same and method of analizing contact-, via- and/or trench-forming processes in an integrated circuit
Methods for monitoring defects in a process for forming a contact hole, via or trench in a layer of a device in an integrated circuit includes the steps of forming a sacrificial topology on a substrate by duplicating at least a portion of a structure of t...
02/11/2003
6511920Optical marker layer for etch endpoint determination
A method of forming an optical marker layer for etch endpoint determination in integrated circuit fabrication processes is disclosed. The optical marker layer is used in conjunction with organic and/or carbon-containing material layers that are used as bu...
01/28/2003
6509198Method of power IC inspection
The present invention provides a method of power IC inspection to inspect whether an electrically-failed portion of power ICs results from photo resist peeling before or during source implantation. First, the metal layers on the power ICs are removed by t...
01/21/2003
6492188Monitor method for quality of metal ARC (antireflection coating) layer
The present invention relates to a monitor method for quality of metal Antireflection Coating (ARC) layer and, more particularly, to a fast and accurate monitor method for quality of metal ARC layer. By using of immersing a silicon wafer comprising an ARC...
12/10/2002
6440621Method of detecting film defects using chemical exposure of photoresist films
Various methods of inspecting a semiconductor workpiece for defects are provided. In one aspect, a method of inspecting a surface of a semiconductor workpiece for defects is provided that includes applying a negative-tone photoresist film to the surface a...
08/27/2002
6433575Check abnormal contact and via holes by electroplating method
A cathode-anode apparatus is constructed whereby the wafer under test, connected to a conducting wire, forms the cathode terminal and a copper plate, also connected to a conducting wire, forms the anode terminal. The wafer under test and the copper plate ...
08/13/2002
6426791Method and apparatus for evaluating semiconductor film, and method for producing the semiconductor film
Reflectance of a p-Si film crystallized by laser annealing is measured, a wave length dependency of the reflectance is found, and a first order rate of change is calculated to determine a minimum value near a wave length of 500 nm. The value is to be an i...
07/30/2002
6417015Semiconductor processing methods and semiconductor defect detection methods
Semiconductor processing methods and defect detection methods are described. In one embodiment, a semiconductor wafer in process is provided and a material is formed or deposited over the wafer. The material is discernably deposited over defective wafer s...
07/09/2002
6403385Method of inspecting a semiconductor wafer for defects
A method of decorating a semiconductor substrate with an etchant solution is provided for revealing defects, such as microscratches, resulting from an oxide chemical-mechanical planarization (CMP) polishing. An oxide layer is provided over the substrate m...
06/11/2002
6399958Apparatus for visual inspection during device analysis
Aspects for electrical trace inspection during device analysis for devices with solder ball attachments are described. In a method aspect, the method includes forming a desired integrated circuit device including bond wire attachments. The bond wire attac...
06/04/2002
6387716Semiconductor processing methods and semiconductor defect detection methods
Semiconductor processing methods and defect detection methods are described. In one embodiment, a semiconductor wafer in process is provided and a material is formed or deposited over the wafer. The material is discernably deposited over defective wafer s...
05/14/2002
6368882Method for detecting organic contamination by using hemispherical-grain polysilicon layer
The present invention discloses a method to detect organic contamination in process environment of integrated circuits by using hemispherical-grain polysilicon layer that is formed in the process environment. The organic residue will contaminates the subs...
04/09/2002
6365423Method of inspecting a depth of an opening of a dielectric material layer
For determining the quality of an opening formed in a dielectric material layer, a voltage contrast inspection tool is used to produce a voltage contrast image of a test pattern formed in the dielectric material layer. The voltage contrast values of openi...
04/02/2002
6342400Dye penetrant test for semiconductor package assembly solder joints
A method is provided for inspecting solder-bumped joints of a semiconductor package assembly comprising a packaged semiconductor device and a substrate, such as a circuit board. Embodiments include immersing the package assembly in a dye solution, such as...
01/29/2002
6316277Tuning substrate/resist contrast to maximize defect inspection sensitivity for ultra-thin resist in DUV lithography
There is provided a method for enhancing the contrast between oxide film and ultra-thin resists in deep-ultraviolet lithography for use with a wafer defect inspection system in order to maximize defect inspection sensitivity. This is achieved by varying t...
11/13/2001
6300147Method of inspecting semiconductor substrate
An SOI substrate having a silicon layer formed on an embedded oxide layer is prepared at a step ST11. An exposed surface of the silicon layer is thermally oxidized for forming a thermal oxide film at a step ST12. The thermal oxide film, enclosing a defect...
10/09/2001
6261852Check abnormal contact and via holes by electroplating method
A cathode-anode apparatus is constructed whereby the wafer under test, connected to a conducting wire, forms the cathode terminal and a copper plate, also connected to a conducting wire, forms the anode terminal. The wafer under test and the copper plate ...
07/17/2001
6251693Semiconductor processing methods and semiconductor defect detection methods
Semiconductor processing methods and defect detection methods are described. In one embodiment, a semiconductor wafer in process is provided and a material is formed or deposited over the wafer. The material is discernably deposited over defective wafer s...
06/26/2001
6218198Method and apparatus for evaluating semiconductor film, and method for producing the semiconductor film
Reflectance of a p-Si film crystallized by laser annealing is measured, a wavelength dependency of the reflectance is found, and a first order rate of change is calculated to determine a minimum value near a wavelength of 500 nm. The value is to be an inh...
04/17/2001
6210980Inspection pattern and method for semiconductor device
An inspection pattern for a semiconductor device includes at least one inspection pattern groove and a dummy interconnection. The inspection pattern groove is formed in an interlevel insulating film or lower interconnection covering a surface of a semicon...
04/03/2001
6194085Optical color tracer identifier in metal paste that bleed to greensheet
A coating material used in the fabrication of electronic components such as a metallized paste is provided comprising a material to be coated on the electronic component substrate and an identifying component which identifying component can be identified ...
02/27/2001
6187600Silicon substrate evaluation method and semiconductor device manufacturing method
A surface layer portion of a silicon substrate is etched by using a mixed solution which contains ammonium hydroxide (NH4 OH), hydrogen peroxide (H2 O2) and water (H2 O) at a weight ratio of 1:(1.3 to 2.65):(275...
02/13/2001
6153497Method for determining a cause for defects in a film deposited on a wafer
A method for determining a cause for defect formation in an insulating material layer deposited on an electrically conductive layer on a wafer surface is disclosed. In the method, on top of a semi-conducting wafer which has a first insulating material lay...
11/28/2000
6121060Method of measuring a concentration profile
A method of measuring the two-dimensional dopant concentration profile in a source/drain region included in a semiconductor device is disclosed. A semiconductor substrate is etched by an etchant of the kind etching a semiconductor by an amount dependent o...
09/19/2000
6121064STI fill for SOI which makes SOI inspectable
A method of manufacturing and inspecting SOI such that during STI formation, by depositing a light absorbing layer in the STI such as hydrosilicon oxynitride, the silicon inclusions in the buried insulator layer of the SOI are undetectable by an optical i...
09/19/2000
6121156Contact monitor, method of forming same and method of analyzing contact-, via-and/or trench-forming processes in an integrated circuit
Methods for monitoring defects in a process for forming a contact hole, via or trench in a layer of a device in an integrated circuit includes the steps of forming a sacrificial topology on a substrate by duplicating at least a portion of a structure of t...
09/19/2000
6107201Aluminum spiking inspection method
A method for inspection which involves the complete and sequential removal of an aluminum containing metallization layer, and other metal and insulator layers, from the surface of a silicon substrate. The layers are removed through sequential chemical etc...
08/22/2000
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