U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...In 1790, the cost to obtain a patent was between $4 and $5.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 361/699 - Liquid


Subclass of Class 361 - Electricity: electrical systems and devices
Definition: Subject matter wherein the fluid comprises a substance characterized
No. of patents: 1442
Last issue date: 01/31/2012


              34        
NumberTitleIssue Date
5115858Micro-channel wafer cooling chuck
A wafer cooling chuck (10) uses 3M micro-channel stock (12). A coolant manifold (14) surrounds ends (16) and (18) of the stock (12). A vacuum manifold (17) surrounds the coolant manifold (14) at end (16). A heat transfer fluid supply manifold (15) surroun...
05/26/1992
5111280Thermal management of power conditioning systems
A semi-conductor assembly including an elongated electrically conductive support structure defining a sinuous coolant flow path between respective upper and lower surfaces of the support structure. The sinuous coolant path includes alternating concave and...
05/05/1992
5103374Circuit pack cooling using turbulators
Disclosed is a fluid-cooled circuit pack which includes heat generating components on a front surface of a circuit board and another surface opposite to the front surface to create a channel for the flow of cooling fluid over the components. An array of r...
04/07/1992
5099311Microchannel heat sink assembly
The present invention provides a microchannel heat sink with a thermal range from cryogenic temperatures to several hundred degrees centigrade. The heat sink can be used with a variety of fluids, such as cryogenic or corrosive fluids, and can be operated ...
03/24/1992
5097207Temperature stable cryogenic probe station
ATE is mounted directly to a support surrounding and removably receiving probe cards of differing thickness. An electrically heated chuck having a variable heat transfer coefficient heat exchanging face confronting a liquid nitrogen supplied plenum exhibi...
03/17/1992
5097387Circuit chip package employing low melting point solder for heat transfer
A circuit chip package and method for assembling the same is disclosed which employs low eutectic or melting point solder, such as an indium alloy, as a thermally conductive medium between each circuit chip and the package cover. The melting point of the ...
03/17/1992
5097385Super-position cooling
A system and method of cooling which uses both jet impingement and conduction cooling. Conduction cooling is accomplished by placing a cluster of pistons in contact with each chip. The pistons have a rectangular foot at the bottom which contacts the chip....
03/17/1992
5088006Liquid film interface cooling system for semiconductor wafer processing
A semiconductor wafer, liquid interface clamping and cooling system 80 includes a chuck 10 having clamping section 12 with a top surface 16 with three clamping/cooling circuit grooves machined therein for providing a liquid interface between a wafer under...
02/11/1992
5086829Liquid cooling apparatus with improved leakage detection for electronic devices
A liquid cooling apparatus includes a heat exchanger, a tank, leakage sensors, first and second level sensors, a timer counter, and a control section. The heat exchanger cools a coolant to be supplied to a heat generating portion in an electronic device. ...
02/11/1992
5088005Cold plate for cooling electronics
A multi-layered cold plate is customized for cooling a plurality of electronic components to be arranged in thermal communication with the cold plate by dividing the cold plate into a plurality of hypothetical cooling zones, determining the cooling needed...
02/11/1992
5050037Liquid-cooling module system for electronic circuit components
A printed circuit board assembly having a printed circuit board mounted, on both faces, heat generative electronic circuit components, such as integrated circuit chips, and a pair of liquid-cooling modules arranged on both sides of the printed circuit boa...
09/17/1991
5050036Liquid cooled integrated circuit assembly
A liquid cooled integrated circuit assembly including a plurality of integrated circuit packages for housing and electrically interconnecting integrated circuits, a printed circuit board for mounting the integrated circuit packages, and flexing tubing for...
09/17/1991
5046552Flow-through heat transfer apparatus with movable thermal via
A heat transfer apparatus especially useful for cooling electronic components has a frame with a channel for the flow of heat transfer liquid, a flexible sheet connected to the frame, and a thermal via coupled to the sheet. As fluid flows through the chan...
09/10/1991
5043797Cooling header connection for a thyristor stack
In a liquid cooled thyristor stack in which a plurality of disk thyristors are stacked between a plurality of cold plates such that each thyristor has a cold plate on either side thereof, relatively rigid tubular connectors are provided which extend betwe...
08/27/1991
5036384Cooling system for IC package
A cooling system for an IC package includes a support plate arranged to oppose a wiring board on which a plurality of integrated circuits are mounted, a plurality of cooling plates fixed to the support plate by support members and each having a coolant ch...
07/30/1991
5023695Flat cooling structure of integrated circuit
A circuit assembly with circulation of coolant. A plurality of chips of integrated circuit are arranged on a substrate separately from each other in rows and columns. A circulating unit disposed on the substrate and having a planar shape circulates coolan...
06/11/1991
5021924Semiconductor cooling device
A multi-chip module or a like device having a sealed structure for being cooled with a liquid cooling medium, and in which the semiconductor integrated circuit chips or the chip carriers mounting the chips are individually cooled with the forced convectio...
06/04/1991
5019939Thermal management plate
A thermal management plate designed to take advantage of the thermally conductive path provided as an integral part of printed circuit board component assemblies. The plate is a shelf-like unit providing both thermal management of electronic assemblies an...
05/28/1991
5019946High density interconnect with high volumetric efficiency
Interconnected integrated circuits (16) packaged at a very high density are fabricated beginning with a plurality of substrates (50 or 400 or 500) where each substrate has metal edge contact sites (12 or 507). Several substrates are joined together in a s...
05/28/1991
5012858Method of cooling a semiconductor device with a cooling unit, using metal sherbet between the device and the cooling unit
A method of cooling a semiconductor device with a cooling unit, using a metal sherbet, which is metal being in a state of a mixed phase consisting of a liquid phase and a solid phase, as a heat conducting body put between the cooling unit and the semicond...
05/07/1991
5000256Heat transfer bag with thermal via
A heat transfer bag especially useful for cooling electronic components is made of a flexible sheet of material and is filled with a fluorochemical heat transfer liquid. A metallic thermal via extends through a hole in the bag for direct contact with an e...
03/19/1991
5001548Multi-chip module cooling
There is disclosed a liquid cooled multi-chip semi-conductor module comprising multiple semi-conductor devices each having one surface prepared with electrical interconnect means for mechanical and electrical attachment to an electrical interconnect subst...
03/19/1991
5001601Modular cooling fixture for power transistors
A modular cooling fixture for power transistors include a carrier plate. Transistors are mounted to the plate and insulated transistor leads pass through openings formed in the plate for connection to a printed circuit board. Spacers fasten the board to t...
03/19/1991
4998181Coldplate for cooling electronic equipment
A system for cooling, positioning and supporting phased array microwave modules within a phased array radar system wherein the modules are disposed in cooling tubes, the cooling tubes being arranged to permit coolant to continuously pass in close proximit...
03/05/1991
4989070Modular heat sink structure
There is disclosed a novel high heat flux liquid cooled semi-conductor heat sink of modular construction suitable for semi-conductor chips such as IC's, hybrids, lasers, and power semi-conductors, said modular heat sink containing inserts with chip substr...
01/29/1991
4971144Liquid ribbon cooler
A flexible liquid ribbon cooler for use with electronic components which includes a plurality of elongate thermo-conductive members, which are circular in cross-section, and which are positioned side by side. A bottom and a top layer of thermo-conductive ...
11/20/1990
4964019Multilayer bonding and cooling of integrated circuit devices
A method to mount and cool integrated circuit chips within a multilayer printed wiring board structure. The method makes the use of tape automated bonding or flip chip dice attachment techniques in such a way that a cavity may be formed above and below th...
10/16/1990
4962444Cold chassis for cooling electronic circuit components on an electronic board
The problem of providing a compact high intensity cooling system for use with a cold chassis (42) for an electronic board (18) in a modular electronic system is solved by providing a frame (44) having a plurality of projecting ribs (46) defining grooves (...
10/09/1990
4949219Module sealing structure
A sealed module includes a cold plate having a passage through which a cooling medium flows, a plurality of bellows structures having first ends which communicate with the passage in the cold plate to form a thermal conduction type cooling system and a pl...
08/14/1990
4942497Cooling structure for heat generating electronic components mounted on a substrate
A cooling structure for heat generating electronic components mounted on a substrate. The cooling structure includes a cold plate fixed on the substrate which is provided with first through holes opposed to the respective upper surfaces of the heat genera...
07/17/1990
4928206Foldable printed circuit board
A printed circuit board assembly is disclosed which includes a number of rigid printed circuit boards connected by a number of flexible printed circuit panels. Integrated circuits and similar components are mounted on the rigid printed circuit boards. The...
05/22/1990
4921039Device for the protection and thermal conditioning of apparatus in particular electronic apparatus generating heat
A device for the protection and thermal conditioning of electronic apparatus generating heat consisting of a plurality of conduits in which a thermal carrying fluid flows, disposed in a spiral array structurally independent and with lengths outside the de...
05/01/1990
4920574Cooling system for an electronic circuit device
A cooling system including a cooling module which has a heat transfer plate that is exposed to a flow of coolant and is elastically biased toward a circuit component on a printed circuit board for transferring heat dissipated by the component to the coola...
04/24/1990
4910542Single-lens reflex camera with built-in flash
A single-lens reflex camera with a flash unit built into the camera body above the viewing pentaprism. The unit is movable from an operating position to a non-operating position, preferably enclosed in the camera body. The built-in flash unit may be autom...
03/20/1990
4908757Static frequency converter, especially a frequency converter controlling and/or adjusting the performance data of an electromotor
The invention relates to a static frequency converter in a housing, especially a frequency converter controlling and/or adjusting the performance data of an electromotor. The housing is shaped as a pressure-resistant casing sealed toward the ambient and a...
03/13/1990
4897763Circuit arrangement having a plurality of electrical elements to be cooled
The electrical elements to be cooled (111-138) is a low-ohmic high-power source are connected via cooling channels (60-63, 66, 77, 70-72, 76-80) in the electrical conductors (9, 211, 311, 10, 215, 315, . . . ) as parallel cooling circulations to a cooling...
01/30/1990
4888663Cooling system for electronic assembly
A configuration of an electronics unit is disclosed wherein a plurality of circular circuit cards are arranged in an aligned, parallel relationship. Each card has a central circular inner opening formed therein. A plurality of inner and outer spacer eleme...
12/19/1989
4884630End fed liquid heat exchanger for an electronic component
A body having a bottom and first and second ends and a cavity therein. A plurality of substantially parallel spaced fins are positioned in the cavity. A liquid inlet is centrally positioned in the first end of the body and a liquid outlet is centrally pos...
12/05/1989
4879629Liquid cooled multi-chip integrated circuit module incorporating a seamless compliant member for leakproof operation
A liquid cooled integrated circuit module includes a substrate, a plurality of chips mounted on the substrate, and electrical conductors integrated into the substrate to interconnect the chips. A compliant member which is completely seamless overlies all ...
11/07/1989
4879632Cooling system for an electronic circuit device
A cooling system includes a cooling module which has a heat transfer plate elastically biased and exposed to the flow of a coolant for transferring heat dissipated from a circuit component on a printed circuit board to the coolant, and a solder or low-mel...
11/07/1989
              34        
 
Sign InRegister
Username  
Password   
forgot password?