Method of heat treatment of wafers
What is claimed is: 1. In a method of heat-treating a number of wafers each of which consists of a substance of poor heat conduction and a semiconductor layer formed on one surface thereof, said metho... Read More
Inventors: Yoshinaka, Akira; Aoshima, Takaaki; Sugita, Yoshimitsu;, Assignee: Hitachi, Ltd. (JA) |
Method for diffusing dopant atoms
OF THE INVENTION AND PREFERRED EMBODIMENT One embodiment of this invention will hereinafter be described with reference to the accompanying sole drawing, i.e., FIG. 1. In FIG. 1, numerals 1a,1b indic... Read More
Inventors: Hiramoto, Tatsumi;, Assignee: Ushio Denki Kabushiki Kaisha (Tokyo, JP) |
Apparatus for in-situ processing of photoplates
The above objects have been satisfied with a method and apparatus for in-situ processing of photoplates wherein a hollow chamber is provided with a spinner chuck therein and spray jets mounted flush a... Read More
Inventors: Giffin, James W.; De Santis, Michael A.; Burchard, John S.;, Assignee: |
Wash shield for paint roller
The invention claim is: 1. In a shield for washing paint from a rotatable paint roller having a handle, a narrow arm portion and an axle about which the said roller is rotatable comprising (a) a sheet... Read More
Inventors: Vegiard, Lucien;, Assignee: Monacelli; Walter J. (St. Petersburg, FL) |
Power circuit arrangement for illuminating a vanity mirror built into a visor
The present invention solves the problem of how to simplify the power circuitry of an illuminated vanity mirror of a visor assembly and hence of how to expedite the assemblage or manufacture of the vi... Read More
Inventors: Sakuma, Toranosuke;, Assignee: Koito Seisakusho Co., Ltd. (Tokyo, JP) |
Vanity mirror
According to the invention, there is provided a vanity mirror of the type including a mirror, an illuminating portion having a lamp, and a cover for covering and exposing the front surface of the mirr... Read More
Inventors: Sakuma, Toranosuke;, Assignee: Koito Manufacturing Co., Ltd. (Tokyo, JP) |
Dental polishing tip
The dental polishing tip of the present invention includes a hollow cylindrical interior which grips a cylindrical mandrel by frictional engagement. The cylindrical bore is easily formed, allows the t... Read More
Inventors: Martin, Thomas W.;, Assignee: Minnesota Mining and Manufacturing Company (St. Paul, MN) |
Automatic lawn mower
One embodiment of the present invention is a guidance apparatus for a self-propelled mower comprising sensor means, including several photosensitive receptors and light source means for directing ligh... Read More
Inventors: Griffin, Hugh A.;, Assignee: Agile Systems, Inc. (Greenfield, IN) |
Tip-tilt mirror actuation system having simplified driver circuitry
1. A position control system for selectively controlling the orientation of a controlled element having a given portion comprising: N groups of electromechanical actuators, N being an integer of one o... Read More
Inventors: Aldrich, Ralph E.;, Assignee: Itek Corporation (Lexington, MA) |
Ophthalmic examination chart projector
We claim: 1. Ophthalmic examination chart projector comprising a circular chart carrying disc having a plurality of ophthalmic examination charts disposed along a peripheral portion of the disc, a cir... Read More
Inventors: Aoki, Mitsugu; Ishihara, Taketoshi;, Assignee: Tokyo Kogaku Kikai Kabushiki Kaisha (Tokyo, JA) |
Car theft alarm system
The object of the present invention is to provide a vehicle theft alarm system in which after the power line is disconnected by the user or the like for the purpose of car repair, a proper alarm is ca... Read More
Inventors: Masegi, Mitsuhiko; Sakurai, Masao; Aso, Makoto;, Assignee: Nippondenso Co., Ltd. (Kariya, JP); Toyota Jidosha Kabushiki Kaisha (Toyota, JP) |
Sun visor
The present invention relates generally to sun visors and more particularly to new and improved sun visors having a multiplicity of positions and intended to be used not only by the driver of a vehicl... Read More
Inventors: Henson, Artel R.;, Assignee: |
Vacuum electric furnace
In accordance with the invention, apparatus is provided for use in vacuum electric furnaces having a hostile environment for advancing work pieces in the furnace and more specifically a walking beam c... Read More
Inventors: Kreider, Benjamin A.; Metalsky, William J.;, Assignee: Abar Corporation (Feasterville, PA) |
Cylindrical furnace for treating materials at high temperatures and pressures
OF THE INVENTION Turning now to the drawings wherein like reference characters refer to like and corresponding parts throughout the several views, a press stand 1 is shown in FIG. 1 as arranged for m... Read More
Inventors: Bergman, Carl;, Assignee: ASEA Aktiebolag (Vesteras, SE) |
High-temperature kilns
OF THE INVENTION Referring to FIGS. 1, 2 and 3 which illustrate a kiln of the type provided with rollers 11, the length of such a kiln being possibly from 40 meters to 60 meters or even more, it will... Read More
Inventors: Hartmann, Michel;, Assignee: Societe d'Etudes et de Constructions Electriques et Mecaniques Secem (Paris, FR) |
High intensity illumination light table
A high intensity illumination light table for transilluminating film including a housing or support structure having a light transmitting cover. Positioned within the housing is apparatus for producin... Read More
Inventors: Martino, Ronald J.;, Assignee: Bausch & Lomb Incorporated (Rochester, NY) |
Switching device equipped with a semiconductor memory element
What is claimed is: 1. Switching apparatus, comprising: a semiconductor memory element having a semiconductor substrate of a first conductivity type, first and second regions of a different conductivi... Read More
Inventors: Uchida, Kosaku; Kobayashi, Tsutomu; Koike, Susumu;, Assignee: Matsushita Electric Industrial Co., Ltd. (Osaka, JA) |
Recovery of selenium and selenium alloys by hydraulic lathing
AND PREFERRED EMBODIMENTS The preferred method of practicing the present invention is more fully set out in FIG. 1. The xerographic belts mounted on non-resilient mandrels, generaly designated as 10,... Read More
Inventors: Williams, John K.;, Assignee: Xerox Corporation (Stamford, CT) |
Laser mirror with coolant fluid transfer manifold
A primary object of the present invention is to provide a pressure balancing fluid transfer manifold for use with a mirror adapted for being cooled to minimize misalignment of the mirror resulting fro... Read More
Inventors: Sigman, Warren R.; Stalcup, Robert K.;, Assignee: United Technologies Corporation (Hartford, CT) |
Schottky barrier phototransistor
We claim: 1. A photosensitive semiconductor device comprising: a substrate of n-type semiconductor material, said semiconductor material selected from the group consisting of indium arsenide (InAs), i... Read More
Inventors: Borrello, Sebastian R.; Sawyer, Jimmy D.;, Assignee: Texas Instruments Incorporated (Dallas, TX) |
Process of drying and calcining bulk materials
It is an object of the invention to provide a process and apparatus which reliably avoids hot spots in the calcining zone with a minimum expenditure and ensures a high throughput rate. This object is ... Read More
Inventors: Kruger, Gerhard; Kepplinger, Werner;, Assignee: Metallgesellschaft Aktiengesellschaft (Frankfurt am Main, DE) |
Drawer slide locking lever
The afore-mentioned problems are solved by the present invention. Essentially, a unitary, polymeric drawer locking lever having an integral spring is provided to prevent the drawer mounting strip from... Read More
Inventors: Vander Ley, Robert J.;, Assignee: Knape & Vogt Manufacturing Co. (Grand Rapids, MI) |
Ball bearing slide with removable and lockable inner slide member
The present invention is for a stop out and disconnectable ball bearing slide mechanism for stopping a telescoping slide in an extending position while permitting the inner member of the slide to be w... Read More
Inventors: Papp, John E.; Reed, Antony S.;, Assignee: Standard Precision, Inc. (Santa Fe Springs, CA) |
Storage system including a vertically retractable storage unit
OF A PREFERRED EMBODIMENT Referring now to the drawing wherein like reference numerals designate identical or corresponding parts throughout the several figures, FIGS. 1 to 3 illustrate a preferred e... Read More
Inventors: Welsch, John H.; Meacham, Thomas E.;, Assignee: InterMetro Industries Corporation (Wilkes-Barre, PA) |
Self-sealing films
What is claimed is: 1. A composition suitable for fabricating into a self-sealing film comprising (i) 90-99.95 wt. % of a copolymer of ethylene and a vinyl (or hdyrocarbyl substituted vinyl) ester of ... Read More
Inventors: Argurio, Frederico; Borsatti, Mario; Busby, William James;, Assignee: Exxon Research and Engineering Company (Linden, NJ) |
Sealant compositions having, as an essential component, hydrogenated polybutadiene as network polymer
We claim: 1. A pneumatic tire in combination with a sealant layer containing conventional additives and, as essential rubber components, a fully compatible blend of (1) a high molecular weight, hydrog... Read More
Inventors: Bohm, Georg G. A.; DeTrano, Mario; Hall, James E.;, Assignee: The Firestone Tire & Rubber Company (Akron, OH) |
Swivel base mount for downrigger
The present invention results in a downrigger mount which can easily be adjusted in small angular increments over a 360.degree. range. It comprises a swivel plate rotatably mounted over a fixed base p... Read More
Inventors: McNaney, Jr., Thomas F.; Effinger, Rudolph;, Assignee: Penn Fishing and Tackle Mfg. Co. (Philadelphia, PA) |
Window regulator mechanism
The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows: 1. In a window regulator mechanism for use with an automotive door having spaced inner a... Read More
Inventors: Doveinis, Juozas;, Assignee: General Motors Corporation (Detroit, MI) |
Capacitor unit with multiple selectable capacitance values
What is claimed is: 1. A capacitor unit having multiple possible capacitance values selectable by the user which comprises: a plurality of sub-capacitors, each having first and second plates separated... Read More
Inventors: Stockman, Robert M.;, Assignee: American Radionic Co., Inc. (Danbury, CT) |
Lamp
It is an object of this invention to provide a lamp for selectively supporting a bulb in multiple positions. It is another object of this invention to provide a lamp of simple construction for selecti... Read More
Inventors: Chernack, Milton P.;, Assignee: Neon Modular Systems, Inc. () |