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Patent No. 5823572

Self Defense Weapon With Memo

A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.

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Class 505/410 - With material removal by etching, laser ablation, or mechanical abrasion


Subclass of Class 505 - Superconductor technology: apparatus, material, process
Definition: Process wherein material is removed from a substrate (a)
No. of patents: 85
Last issue date: 01/15/2008


1      
NumberTitleIssue Date
7319196Bonding wire and bonded connection
A bonding wire (1) includes a matrix material (2) and a filler (3) embedded in this matrix material (2), the coefficient of thermal expansion of the filler (3) being lower than the coefficient of thermal expansion of the matrix mat...
01/15/2008
7193106Halogenoacetoxyadamantane derivatives and process for production thereof
Provided are a novel halogenoacetoxyadamantane derivative which is useful as a modifying agent for a resin for a photoresist and a dry etching resistance-improving agent in the photolithography field, agricultural and medical intermediates and a compound for other v...
03/20/2007
7166186Laser decapsulation apparatus and method
A decapsulation apparatus 100 has a laser 8 that removes plastic encapsulant from a device 24. Chamber 20 is sealed. Exhaust port 9 removes debris and fumes. The device 24 is positioned and scanned using an X,Y table 2. A hi...
01/23/2007
7163874Ferroelectric thin film manufacturing method, ferroelectric element manufacturing method, surface acoustic wave element, frequency filter, oscillator, electronic circuit, and electronic apparatus
A ferroelectric element manufacturing method includes the steps of forming a buffer layer, which also functions as a sacrificial layer, on a single crystal substrate, forming a ferroelectric film on the buffer layer, separating the ferroelectric film and the single ...
01/16/2007
6961597Strips for imparting low nonlinearity to high temperature superconductor microwave filters
Based on its superconductive properties relating to “nonlineanty,” a conventional HTS strip is divisible into three “domains,” namely, a medial domain and two lateral domains. The nonlinearity associated with the conventional strip's medial domain is conside...
11/01/2005
6926921Imprint lithography for superconductor devices
One aspect of this disclosure relates to a method of building a superconductor device on a substrate, comprising depositing an imprint layer on at least a portion of the substrate. The imprint layer is imprinted to provide an imprinted portion of the imprint layer a...
08/09/2005
6638895Method for fabricating high aspect ratio structures in perovskite material
A method of fabricating high aspect ratio ceramic structures in which a selected portion of perovskite or perovskite-like crystalline material is exposed to a high energy ion beam for a time sufficient to cause the crystalline material contacted by the io...
10/28/2003
6387851Micro-fabrication method and equipment thereby
An SrTiO3 monocrystal substrate having a crystallographic plane (100) or (110) is anisotropically etched in an H3 PO4 solution using an SiO2 thin film as an etching mask. The H3 PO4 solution ...
05/14/2002
6339047Composites having high wettability
Methods of treating superconducting composites to enhance their wettability in solder, and composites having enhanced wettability. It has been found that wettability can be substantially enhanced by stripping a thin layer off the surface of the composite ...
01/15/2002
6270688Chemical polishing of barium strontium titanate
A method of polishing ferroelectric materials and specifically perovskite materials and still more specifically barium strontium titanate (1) wherein the surface (5) to be polished is initially partially smoothened or planarized by mechanical abrading wit...
08/07/2001
6207067Method for fabricating oxide superconducting device
A method for fabricating an oxide superconducting device includes the steps of: forming a V-shaped groove on a substrate by a converging ion beam and forming a barrier with reduced superconductivity on the oxide superconducting thin-film on the groove to ...
03/27/2001
6110392Process for reducing surface roughness of superconductor integrated circuit having a ground plane of niobium nitride of improved smoothness
The invention is a process for reducing roughness of a surface of a superconductor material (23) having an undesirable surface roughness (30 and 32) and a trilayer superconductor integrated circuit (100). The process for reducing roughness of a surface of...
08/29/2000
6097417Vacuum system for removing ablated particles from media mounted in an internal drum platesetter
A vacuum system can remove ablated particles from an internal drum platesetter which has a drum for supporting a photosensitive medium, a carriage moveable in a direction parallel to a longitudinal axis of the drum, and a laser mounted onto the moveable c...
08/01/2000
6060433Method of making a microwave device having a polycrystalline ferrite substrate
The invention provides a structure comprising a high temperature superconducting layer deposited on a ceramic polycrystalline ferrite plate suitable for making commercial microwave devices. In one embodiment, the high temperature superconductor is yttrium...
05/09/2000
5981443Method of manufacturing a high temperature superconducting Josephson device
A bicrystal substrate is formed by joining end faces of a first single crystal substrate and a second single crystal substrate, the end faces having different crystal orientations. A high critical temperature superconducting thin film is then epitaxially ...
11/09/1999
5952269Formation of superconducting devices using a selective etching technique
A method for forming a superconducting device using a selective etching technique on superconducting thin films. The method utilizes rapid etching which combines ion implantation with chemical etching. The portions of the superconducting film to be retain...
09/14/1999
5916848Self-aligned thin barrier high temperature superconductor edge junction
An edge junction 10 with reduced parasitic inductance. The edge junction 10 has a laminar structure 22 including: a substrate 14; a first superconductive layer 12 deposited on a substrate 14; a first dielectric layer 16 deposited on the first superconduct...
06/29/1999
5873977Dry etching of layer structure oxides
A method of patterning layered structure oxide thin films involving placing the layered structure thin film (with or without a mask) laid on a substrate into a chamber which is partially filled with CHC1FCF3 gas and producing a glow discharge t...
02/23/1999
5840204Method for patterning a layer on oxide superconductor thin film and superconducting device manufactured thereby
A method for patterning an oxide superconductor thin film, comprising a step of forming a SiO2 layer on the oxide superconductor thin film, patterning the SiO2 layer so as to form the same pattern as that of the oxide superconductor ...
11/24/1998
5789346Method for manufacturing an oxide superconductor device
Method for manufacturing a superconducting device including forming on a surface of a substrate a non-superconducting oxide layer, a first oxide superconductor thin film, etching the first oxide superconductor thin film so as to form a concave portion, im...
08/04/1998
5750474Method for manufacturing a superconductor-insulator-superconductor Josephson tunnel junction
A superconductor-insulator-superconductor Josephson tunnel junction, comprising: a single crystalline substrate having a perovskite crystal structure; a template layer formed of a b-axis oriented PBCO thin film on the substrate; and a trilayer structure c...
05/12/1998
5739084Method for manufacturing a superconducting device having a reduced thickness of oxide superconducting layer
A method for fabricating a superconducting device with a substrate, a first oxide superconductor thin film, a barrier layer, a diffusion layer, and a second oxide superconductor thin film. The first oxide superconductor thin film with a very thin thicknes...
04/14/1998
5702565Process for laser scribing a pattern in a planar laminate
An improved dielectric layer of an electroluminescent laminate, and method of preparation are provided. The dielectric layer is formed as a thick layer from a ceramic material to provide: a dielectric strength greater than about 1.0×106 V/m; a diel...
12/30/1997
5672569Process for fabricating a superconducting circuit
A superconducting circuit having patterned superconducting wiring lines. Each wiring line consists of at least one portion (2') of the thin film (2) of an oxide superconductor deposited on a substrate (1). The portion (2') has a predetermined crystal orie...
09/30/1997
5650377Selective epitaxial growth of high-TC superconductive material
Fine epitaxial patterns of yttrium barium copper oxide on a strontium titanate substrate are provided by using a silicon nitride mask to define the pattern to be formed. A thin film of yttrium barium copper oxide is placed on the silicon nitride mask and ...
07/22/1997
5646095Selective insulation etching for fabricating superconductor microcircuits
A method for selectively etching insulative material composed of SrTiO3 or MgO in the presence of a copper oxide perovskite superconductive material includes treating the insulative material with a liquid selective etchant solution containing hydrogen flu...
07/08/1997
5646096Process for fabrication superconducting wiring lines
Patterned superconducting wiring lines each consisting of a portion of a thin film of an oxide superconductor deposited on a flat substrate, the portion having a predetermined crystal orientation (a-axis or c-axis orientation) with respect to a flat surfa...
07/08/1997
5599465Method for producing high-temperature superconducting Josephson devices
A method is provided for producing superconducting Josephson devices using a chemical etching solution which comprises forming a mask on a predetermined portion of a MgO substrate, and immersing the MgO substrate having the mask in an aqueous acid solutio...
02/04/1997
5578226Multi-layered superconductive interconnects
A multi-layer superconductive interconnect structure includes a first multi-layer substrate with a first superconducting layer (SL) deposited on a first epitaxial substrate and a first glue dielectric layer (GDL) on the first SL. A second multi-layer subs...
11/26/1996
5571778Superconducting junction material and process of preparing same
A superconductor junction material is disclosed which comprises a substrate of a single crystal, and at least flux flow element, and optionally at least one Josephson junction element, provided on the surface, each of the flux flow and Josephson junction ...
11/05/1996
5560836Method for forming a step on a deposition surface of a substrate for a superconducting device utilizing an oxide superconductor
The present invention relates to a method or forming a step on a deposition surface of a substrate for depositing it thin film on it. The method comprises steps of etching a portion of the deposition surface of the substrate and conducting heat treatment ...
10/01/1996
5552375Method for forming high Tc superconducting devices
Disclosed are methods of forming superconducting devices including a type having a structure of a superconductor--a normal-conductor (or a semiconductor)--a superconductor, and a type having a superconducting weak-link portion between superconductors. The...
09/03/1996
5527766Method for epitaxial lift-off for oxide films utilizing superconductor release layers
Novel structures and methods utilize layered copper oxide release materials to separate oxide films from growth substrates. Generally, the method comprises the steps of: first, forming a layered copper oxide sacrificial release material on a growth substr...
06/18/1996
5510324Method for manufacturing a superconducting device having an extremely thin superconducting channel
The invention relates to a method of manufacturing a superconducting device, which comprises the steps of forming on a principal surface of a substrate a non-superconducting oxide layer having a similar crystal structure to that of a c-axis oriented oxide...
04/23/1996
5494891Method for manufacturing three-terminal oxide superconducting devices
A superconducting device comprises a substrate, a non-superconducting layer formed in a principal surface of said substrate, an extremely thin superconducting channel formed of an oxide superconductor thin film on the non-superconducting layer. A supercon...
02/27/1996
5466664Method for manufacturing a superconducting device having a thin superconducting channel formed of oxide superconductor material
A method of manufacturing a superconducting device involves forming a thin film on the surface of a substrate, forming a superconducting gate electrode on a portion of the thin film, etching the portions of the thin film using the gate electrode as a mask...
11/14/1995
5462919Method for manufacturing superconducting thin film formed of oxide superconductor having non superconducting region and device utilizing the superconducting thin film
For manufacturing a superconducting thin film having at least one non-superconducting region at and near its surface portion, an oxide superconductor thin film is formed on a surface of the substrate. The oxide superconductor thin film is heated in high v...
10/31/1995
5446016Method for forming a patterned oxide superconductor thin film
A method for forming a patterned oxide superconductor thin film on a substrate comprises steps of forming a metal or semi-metal layer on a portion of the substrate, on which the oxide superconductor thin film will be formed, forming a layer of a material ...
08/29/1995
5439875Process for preparing Josephson junction device having weak link of artificial grain boundary
A Josephson junction device comprises a single crystalline substrate including a principal surface having a first and a second regions of which at least lattice distance of exposed lattices are slightly different from each other and an oxide superconducto...
08/08/1995
5434127Method for manufacturing superconducting device having a reduced thickness of oxide superconducting layer
For manufacturing a superconducting device, a first c-axis orientated oxide superconductor thin film having a very thin thickness is formed on a principal surface of a substrate, and a stacked structure of a gate insulator and a gate electrode is formed o...
07/18/1995
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