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Class 361/321.5 - Composition


Subclass of Class 361 - Electricity: electrical systems and devices
Definition: Subject matter wherein the material of the constituents
No. of patents: 474
Last issue date: 01/31/2012


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NumberTitleIssue Date
5780375Thick film composition for modifying the electrical properties of a dielectric layer
The invention is directed to a capacitor dielectric thick film composition comprising, by weight %: (1) 32-98% BaTiO3, (2) 2-60% zinc barium borate and (3) 0-8% Bi2 O3....
07/14/1998
5781404Electrode interface for high-dielectric-constant materials
A preferred embodiment of this invention comprises a first thin dielectric buffer layer of a first leakage-current-density material (e.g. strontium titanate 32) with a first moderate-dielectric-constant, a high-dielectric-constant layer of a second leakag...
07/14/1998
5774327High dielectric capacitors
Capacitors and methods of fabricating high dielectric capacitors which do not create a step difference where the high dielectric material is formed are provided. These methods include forming a first electrode layer on an integrated circuit device substra...
06/30/1998
5774326Multilayer capacitors using amorphous hydrogenated carbon
A method of fabricating a multilayer capacitor includes depositing a plurality of electrode layers on a substrate alternately with a plurality of amorphous hydrogenated carbon dielectric layers, forming at least two holes in the electrode and dielectric l...
06/30/1998
5771148Intercalation-based voltage variable capacitor
A voltage variable capacitor (VVC) is made by placing an intercalation compound between two electrodes of a capacitor. The VVC has a reservoir of an intercalant in proximity with the intercalation compound. The two materials are chosen from those known to...
06/23/1998
5771150Capacitor constructions
A capacitor construction includes, i) a dense mass of electrically insulative oxide; ii) an electrically conductive inner capacitor plate overlying and contacting the electrically insulative oxide mass; iii) a capacitor dielectric layer overlying the inne...
06/23/1998
5760432Thin film strained layer ferroelectric capacitors
A capacitor having a first electrode and a dielectric material epitaxially deposited on a surface of the electrode to form a dielectric layer on the electrode. The dielectric material forming the dielectric layer has induced strain in the layer sufficient...
06/02/1998
5757610Dielectric ceramic and monolithic ceramic electronic part using the same
The present invention provides a nonreducing dielectric ceramic including a sintered compact composed of a plurality of particles expressed by a maximum diameter of about 0.5 μm and an average diameter of about 0.1 to 0.3 μm, each of the plurality of pa...
05/26/1998
5757611Electronic package having buried passive components
The invention provides for an electronic package having a buried passive component such as a capacitor therein, and a method for fabricating the same. The electronic package preferably includes a passive component portion which includes a plurality of lay...
05/26/1998
5745336Capacitor for semiconductor integrated circuit
A semiconductor integrated circuit apparatus according to the present invention has a capacitor formed in such a manner that a ferroelectric thin film is formed after a MOS transistor has been formed on a substrate thereof, a ferroelectric thin film made ...
04/28/1998
5745335Multi-layer film capacitor structures and method
A multi-layer film capacitor structure has a bottom electrode layer on a monolithic substrate, intermediate pairs of layers of film electrode and dielectric material overlying the bottom electrode, and a top pair of layers of a film electrode and film die...
04/28/1998
5742473Monolithic ceramic capacitor
Disclosed is a monolithic ceramic capacitor comprising dielectric ceramic layers made from a material which comprises an essential component of (1-଱-ଲ){BaO}m.TiO.sub.2 +଱Re2 O3 +ଲ(Mn1-x-y...
04/21/1998
5742472Stacked capacitors for integrated circuit devices and related methods
A method for fabricating a capacitor on a substrate includes the steps of forming an insulating layer on the substrate, and forming the first plate electrode on the insulating layer. A first dielectric layer is then formed on the plate electrode, and a fi...
04/21/1998
5739563Ferroelectric type semiconductor device having a barium titanate type dielectric film and method for manufacturing the same
A semiconductor memory device comprising a silicon substrate, a plurality of switching transistors formed on the silicon substrate, an insulating layer having an opening and formed on a surface portion of the silicon substrate where the plurality of switc...
04/14/1998
5737180Ferroelectric capacitor structure
A ferroelectric capacitor structure variously having ceramic lower and upper electrodes, lower and upper insert layers, metal lower and upper electrodes, and a ferroelectric. The ceramic electrode(s) are variously connected with a writing terminal, and th...
04/07/1998
5734545Monolithic ceramic capacitor
Disclosed is a monolithic ceramic capacitor comprising dielectric ceramic layers made from a material which comprises an essential component of (1-଱-ଲ){BaO}m .cndot.TiO2 +଱Re2 O3 30 ଲ(Mn
03/31/1998
5731220Method of making barium strontium titanate (BST) thin film by erbium donor doping
A semiconductor device and process for making the same are disclosed which incorporate a relatively large percentage of erbium dopant (1 to 5%) into a BST dielectric film 24 with small grain size (e.g. 10 nm to 50 nm). Dielectric film 24 is preferably dis...
03/24/1998
5731950Monolithic ceramic capacitor
Disclosed is a monolithic ceramic capacitor comprising dielectric ceramic layers made from a ceramic composition, which comprises an essential component of (1-଱-ଲ) {BaO}m .multidot.TiO2 +଱{(1-x)M2 O3...
03/24/1998
5731949Structure of capacitor and method of frabricating same
A capacitor includes a substrate having a first trench, and a second trench, a first storage node having a first body and a first flange, the first body being on the first trench and having a first height and the first flange being extended at a top porti...
03/24/1998
5706163ESD-protected thin film capacitor structures
A thin film protected capacitor structure having a thin film capacitor and a protection device is provided on an integrated circuit wafer. The wafer has a low resistivity substrate of a first type disposed under an epitaxial layer of a second type differe...
01/06/1998
5687055Conductive paste and its usage
Thin, smooth conductive layers for internal electrodes of multilayer ceramic capacitors are produced by a method including the steps of forming a conductive paste layer on a green ceramic sheet with a conductive paste by screen printing so as to have a ce...
11/11/1997
5680291Low-temperature sinterable dielectric composition with high dielectric constant and multi-layered ceramic capacitor using the same
A low-temperature sinterable dielectric composition with a high dielectric constant is disclosed wherein x=2-4 mol %, y=0.5-3.0 mol % and z=3-5 mol % in ›95PMN-5PT!-x(PbO)-y(CaO)-z(CuO)....
10/21/1997
5679969Ferroelectric based capacitor for use in memory systems and method for fabricating the same
A ferroelectric based capacitor structure and method for making the same. The capacitor includes a bottom electrode having a layer of Pt in contact with a first layer of an ohmic material. The capacitor dielectric is constructed from a layer of lead zirco...
10/21/1997
5677825Ferroelectric capacitor with reduced imprint
An improved ferroelectric capacitor exhibiting reduced imprint effects in comparison to prior art capacitors. A capacitor according to the present invention includes top and bottom electrodes and a ferroelectric layer sandwiched between the top and bottom...
10/14/1997
5670808Metal oxide capacitor with a WNX electrode
A semiconductor device in which an SiO2 film and a first wiring layer are arranged in this order on a GaAs substrate. A capacitor is formed on the first wiring layer. The capacitor includes a lower electrode which has a multi-layer structure co...
09/23/1997
5668694Multilayer ceramic chip capacitor
The invention provides a multilayer ceramic chip capacitor which satisfies X7R property or a temperature response of its capacitance and shows a minimal change of capacitance with time under a DC electric field, a long accelerated life of insulation resis...
09/16/1997
5659456Monolithic ceramic capacitors
Disclosed is a monolithic ceramic capacitor comprising dielectric ceramic layers and inner electrodes wherein each dielectric ceramic layer comprises an essential component having a compositional formula of (1-଱-ଲ)(BaO)m TiO2
08/19/1997
5635741Barium strontium titanate (BST) thin films by erbium donor doping
A semiconductor device and process for making the same are disclosed which incorporate a relatively large percentage of erbium dopant (1 to 5%) into a BST dielectric film 24 with small grain size (e.g. 10 nm to 50 nm). Dielectric film 24 is preferably dis...
06/03/1997
5633781Isolated sidewall capacitor having a compound plate electrode
A capacitor structure is provided, with a first conductor on top of a substrate having at least one layer of dielectric material thereon; a first non-conductor on top of and substantially in register with the first conductor, the first conductor and first...
05/27/1997
5629252Method for manufacturing a dielectric ceramic composition dielectric ceramic and multilayer high frequency device
A dielectric ceramic composition that can be sintered at a low temperature of around 1000° C. and also can have a high dielectric constant, a high Q value and small temperature coefficient at a resonant frequency includes a glass component that promotes ...
05/13/1997
5625529PZT thin films for ferroelectric capacitor and method for preparing the same
PZT ferroelectric thin films for capacitors comprise a combination of a donor dopant and an acceptor dopant in a total amount of about 0.1 to 8 mole percent of PZT, or Sc alone in an amount of about 0.1 to 5 mole percent. Nb or Ta is employed as a donor d...
04/29/1997
5622769Ceramic circuit board having a thermal conductivity substrate
According to this invention, there is disclosed a thermal conductivity substrate which includes an aluminum nitride sintered body and a coating layer formed on the body of aluminum phosphate and having a surface roughness of 1 μm or less, and which has e...
04/22/1997
5623389Conductive paste and multilayered ceramic capacitor employing the same
A conductive paste comprises a conductive powder and a glass frit, the glass frit consisting of PbO, B2 O3, SiO2, Al2 O3 and Bi2 O3, the content of Bi2 O3 in the...
04/22/1997
5617290Barium strontium titanate (BST) thin films using boron
A semiconductor device and process for making the same are disclosed which incorporate boron, which has been found to be substantially insoluble in BST, into a BST dielectric film 24. Dielectric film 24 is preferably disposed between electrodes 18 and 26 ...
04/01/1997
5604659Microelectronic device with centered storage capacitor cavity sized less than feature size
A method of forming an integrated circuit capacitor is disclosed comprising the steps of providing a substrate, forming a conductive region at the substrate, and forming an insulating layer on the conductive region and the substrate. The method further co...
02/18/1997
5603147Method of making a high energy multilayer ceramic capacitor
A high energy multilayer ceramic capacitor formed of alternating ceramic and electrode layers, the capacitor being suitable for use in implantable medical devices. The ceramic layers are comprised of a dielectric composition of lead magnesium niobate with...
02/18/1997
5599757NPO dielectric ceramic compositions and capacitors made therefrom
A low temperature fired NPO type ceramic dielectric composition is employed for making high frequency multi-layer capacitors having dielectric constants between 25 and 40 at room temperature, and which do not vary from this base line value by more than &#...
02/04/1997
5590017Alumina multilayer wiring substrate provided with high dielectric material layer
An alumina multilayer wiring substrate having a high capacitance in the substrate on which a VLSI is to be mounted to effectively eliminate electrical noise(s) which may hinder the operation of the VLSI at high speed (frequency). The wiring substrate comp...
12/31/1996
5587870Nanocrystalline layer thin film capacitors
The invention relates to a method for forming a high capacitance thin film capacitor comprising forming layers of dielectric material in amorphous, nanocrystalline and polycrystalline configuration and arranging the resulting layers between upper and lowe...
12/24/1996
5585998Isolated sidewall capacitor with dual dielectric
An isolated sidewall capacitor with dual dielectric, which includes two capacitors. The first capacitor includes a first conductor on top of a substrate, a first non-conductor on top of and substantially in register with the first conductor, the first con...
12/17/1996
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