Relative Dimension Specified Patents (Class 428/925)
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Patent number: 5268236Abstract: A composite aluminum plate suitable for making targets for coating processes, and methods for making them are disclosed. The plate comprises a surface layer of pure aluminum or an alloy of pure aluminum, and a supporting layer made of a hardenable aluminum alloy having a Brinell hardness index HB of at least about 50 after being heat-treated under suitable conditions. The targets made are suitable for physical or sputter coating processes such as cathodic sputtering and magnetron sputtering.Type: GrantFiled: June 21, 1991Date of Patent: December 7, 1993Assignee: Vereinigte Aluminum-Werke AGInventors: Christian M. Dumont, Norberg W. Schmitz, Hans Quaderer
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Patent number: 5244749Abstract: We have found a way to, e.g., substantially increase the number of layers in a pseudomorphic strained layer semiconductor mirror over the number obtainable in an analogous conventional mirror, making it possible to obtain pseudomorphic strained layer mirrors of increased reflectance. Such a pseudomorphic mirror consists of alternating layers of a first and a second semiconductor material (e.g., Ge.sub.x Si.sub.1-x /Si), of thickness t.sub.1 and t.sub.2, and refractive index n.sub.1 and n.sub.2, respectively, with the number of layer pairs chosen such that the mirror thickness is less than or equal to the "critical thickness" L.sub.c. For thicknesses >L.sub.c the mirror will contain dislocations.An article according to the invention comprises a mirror whose layer thicknesses are chosen such that n.sub.1 t.sub.1 .noteq.n.sub.2 t.sub.2, with n.sub.1 t.sub.1 +n.sub.2 t.sub.2 =p.lambda./2, (p being an odd integer, typically 1). In other words, the optical thickness of the layers is not the conventional p.Type: GrantFiled: August 3, 1992Date of Patent: September 14, 1993Assignee: AT&T Bell LaboratoriesInventors: John C. Bean, David L. Windt
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Patent number: 5034284Abstract: Thermomechanical fatigue failure in components in high performance gas turbine engines is diminished by providing the component with an overlay of a metallic coating and a strain isolating layer located between the surface of the component and the metallic coating overlay.Type: GrantFiled: May 10, 1990Date of Patent: July 23, 1991Assignee: United Technologies CorporationInventors: Norman S. Bornstein, Michael A. DeCrescente
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Patent number: 4981544Abstract: A thin static dissipative tape construction for use as a rug or runner in static sensitive areas should have a thickness of less than 1.5 mm and preferably less than 1.02 mm and be adhesively coated for application direct to the floor. The tape comprises a static dissipative layer, a conductive layer laminated thereto and a continuous pressure sensitive adhesive coating. The static dissipative layer is textured. The tape may be perforated to apply wide webs to surfaces.Type: GrantFiled: February 3, 1989Date of Patent: January 1, 1991Assignee: Minnesota Mining and Manufacturing CompanyInventor: John E. Nordale
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Patent number: 4950542Abstract: Articles are coated to provide a sustained release of aroma with a composition of a homogeneous emulsion of polyurethane and essential oils.Type: GrantFiled: February 3, 1989Date of Patent: August 21, 1990Inventor: Robert S. Barker
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Patent number: 4946747Abstract: Machine elements formed which overcome the problems associated with rolling bearings or rolling drive units, which, apart from load under rolling are simultaneously exposed to frictional load, which leads in particular zones to frictional wear. In order to keep this to a minimum the invention teaches to apply on the effected surfaces of such structural parts a coating of a friction bearing material, which, however, according to the findings of the invention must be applied with the PVD method and must have a thickness of the order of magnitude of the surface roughness of the base body; known thicker friction bearing coatings are not suitable. The invention is especially for forming gear wheels, rolling bearings, shafts, compressor screws, and rolling pistons.Type: GrantFiled: April 27, 1988Date of Patent: August 7, 1990Assignee: Balzers AGInventors: Erich Bergmann, Manfred Berger
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Patent number: 4897318Abstract: Soft magnetic laminated materials having both superior wear resistance and a high saturation magnetization comprising Fe-Si alloy films 1 having small magnetostriction, and films 2 of an amorphous alloy or Fe-Si-Al alloy having both small magnetostriction and excellent wear resistance, said first and second films being alternately laminated, the thickness (t.sub.1) of the first film and the thickness (t.sub.Type: GrantFiled: January 18, 1989Date of Patent: January 30, 1990Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Hiroshi Sakakima, Koichi Osano, Yuuji Omata, Koichi Kugimiya, Satoru Mitani
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Patent number: 4798772Abstract: A painting steel sheet having an improved distinctness of image after painting has such a surface roughness profile that a center-line average roughness is within a range of 0.3-3.0 .mu.m and a microscopic shape is comprised of mountain portions, groove-like valley portions and middle flat portions satisfying particular dimension relations, and is produced by temper rolling a steel sheet at a draft of not less than 0.3% with work roll dulled to particular dimensions through a high density energy source.Type: GrantFiled: December 31, 1986Date of Patent: January 17, 1989Assignee: Kawasaki Steel CorporationInventor: Kusuo Furukawa
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Patent number: 4797327Abstract: A surface treated metal member comprises a metal member having unevenness with a plurality of spherical mark impressions formed on the surface.Type: GrantFiled: July 17, 1987Date of Patent: January 10, 1989Assignee: Canon Kabushiki KaishaInventors: Mitsuru Honda, Tetsuo Sueda, Keiichi Murai, Kyosuke Ogawa
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Patent number: 4795681Abstract: A painting steel sheet having an improved distinctness of image after painting has a waviness curve of section profile satisfying given relationships, and is produced by temper rolling a steel sheet with work rolls dulled to particular dimensions through laser.Type: GrantFiled: March 23, 1987Date of Patent: January 3, 1989Assignees: Kawasaki Steel Corporation, Nissan Motor Co., Ltd.Inventors: Kusuo Furukawa, Teruo Fujiwara
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Patent number: 4783378Abstract: A steel sheet for DI can having improved DI workability and resistance to die abrasion has such a surface profile that a center-line average surface roughness is within a range of 0.1.about.4.0 .mu.m and a microscopic shape is comprised of mountain portions, groove-like valley portions and middle flat portions satisfying particular dimension relations.Type: GrantFiled: June 23, 1987Date of Patent: November 8, 1988Assignee: Kawasaki Steel CorporationInventors: Tsuneyoshi Wakui, Takeo Ohnishi, Yuji Shimoyama, Toshio Akizuki
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Patent number: 4775599Abstract: A cold rolled steel sheet or plated steel sheet having an improved press formability as well as excellent phosphatability, resistance to galling and spot weldability is produced by controlling a surface roughness pattern of the steel sheet so as to satisfy a center-line average surface roughness of 0.3-2.0 .mu.m and a regularity parameter in at least one direction of not more than 0.25 defining the regularity of surface roughness.Type: GrantFiled: December 19, 1986Date of Patent: October 4, 1988Assignee: Kawasaki Steel CorporationInventors: Saiji Matsuoka, Takashi Obara, Kozo Tsunoyama, Shunichi Tsugawa, Shigeru Kobayashi, Toshio Ichida
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Patent number: 4686152Abstract: Disclosed is a packaging material which comprises a laminate having an iron foil having a tensile strength (.sigma..sub.B) in the range represented by the following formula:100 kg/mm.sup.2 .gtoreq..sigma..sub.B .gtoreq.30 kg/mm.sup.2and a thickness (T) in the range represented by the following formula:120 .mu.m.gtoreq.T.gtoreq.15 .mu.mand being provided with a surface treatment layer containing metallic tin, metallic chromium or metallic nickel, and an organic resin covering having a total thickness (t) in the range represented by the following formula:T.sup.1/n C/.sigma..sub.B .gtoreq.t.gtoreq.3 .mu.mwherein n is 5.6 and C is 4630.A metal or pigment having an action of improving the processability, an anti-corrosive action and a hiding action is incorporated or contained in the organic resin coating layer. This packaging material is excellent in processability, corrosion resistance, storability, appearance characteristics and safety.Type: GrantFiled: November 18, 1985Date of Patent: August 11, 1987Assignee: Toyo Seikan Kaisha, Ltd.Inventors: Hiroshi Matsubayashi, Kazumi Hirota, Hisao Iwamoto, Tamio Fujiwara, Nobuyuki Sato, Tadahiko Katsura
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Patent number: 4600663Abstract: A method for fabricating a microstrip resonator line permitting precise control of line width, edge definition and thickness. On a substrate, there is printed a first conductive layer having a precisely controlled width. This first layer has a thickness less than the desired thickness of the resonator line. Further conductive layers are printed over the first layer to build up to the desired thickness of the resonator line based on skin depth requirement at the frequency of operation. Each of the further conductive layers for building the thickness of the line has a width less than that of the first conductive layer so that resonator line width is controlled by the width of the first layer.Type: GrantFiled: October 10, 1984Date of Patent: July 15, 1986Assignee: General Electric CompanyInventor: Brian T. Robertson
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Patent number: 4522890Abstract: A composite structure of thin films including alternating layers of relatively high conductivity metals and low conductivity metals to combine the effects of reflection and absorption and thereby maximize the attenuation of the structure. Additionally, a similar structure of layers of materials with differing magnetic permeabilities may be used for the same purpose.Type: GrantFiled: October 11, 1983Date of Patent: June 11, 1985Assignee: Illinois Tool Works Inc.Inventors: Jack C. Volkers, William R. Conley
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Patent number: 4490191Abstract: Improved adherence of oxide wear layers on hard metal or cemented carbide substrates is obtained by providing a thin surface-oxidized bonding layer comprising a carbide or oxycarbide of at least one of tantalum, niobium or vanadium, optionally adding aluminum to the bonding layer, and finally providing an outer oxide wear layer.Type: GrantFiled: December 16, 1981Date of Patent: December 25, 1984Assignee: General Electric CompanyInventor: Thomas E. Hale
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Patent number: 4454186Abstract: An article having a primed surface or improved electric charge transfer properties is disclosed. The surface has discrete sites of inorganic materials thereon.Type: GrantFiled: February 3, 1982Date of Patent: June 12, 1984Assignee: Minnesota Mining and Manufacturing CompanyInventors: William A. Hendrickson, Dudley M. Sherman, Hsin-hsin Chou, Vasant V. Kolpe
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Patent number: 4426426Abstract: Spheroidal graphite cast iron body can be welded using a welding alloy whose carbon diffusion rate is sufficiently high that cementite formation is prevented. The alloy has essentially the following composition:less than 0.2% manganese,less than 2.0% carbon,2.5 to 3.2% silicon,up to 1.0% copper,up to 0.5% molybdenum,up to 2% aluminum,up to 30% nickel,up to 0.1% tungsten,up to 0.1% chromium,up to 0.1% vanadium, magnesium and/or rare earth elements in an amount up to and sufficient to promote the formation of graphite spherolites upon cooling, andbalance substantially iron.Type: GrantFiled: July 22, 1982Date of Patent: January 17, 1984Inventor: Horst Muhlberger
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Patent number: 4409296Abstract: A rapidly quenced, cast metallic strip is disclosed comprising a plurality of dissimilar portions, each portion metallurgically alloy-bonded during casting to adjacent portions along the longitudinal extent of the strip. In the method and apparatus for producing such strip a stream of molten metal is delivered onto a casting surface from a first crucible and at least one additional dissimilar stream of molten metal is delivered onto the casting surface such that a peripheral edge of the dissimilar stream contacts a peripheral edge portion of adjacent dissimilar metal to create a metallurgical alloy-bond therebetween during casting.Type: GrantFiled: October 22, 1980Date of Patent: October 11, 1983Assignee: Allegheny Ludlum Steel CorporationInventor: Brian L. Ward
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Patent number: 4366210Abstract: Thermostat metals combining properties of relatively high flexivity and good corrosion resistance are prepared by metalurgically bonding a corrosion resistant high expansive alloy (1) to a less corrosion resistant low expansive alloy (2) and capping the low expansive alloy (2) with a corrosion resistant, moderately low expansive alloy (3) of similar hardness to that of the low expansive alloy (2).The preferred high expansive alloy (1) is comprised of about 18 wt. % Ni; 11 wt. % Cr; and balance Fe.The preferred low expansive alloy (2) is Invar (36 wt. % Ni; balance Fe).The preferred corrosion resistant low expansive alloy (3) is comprised of about 20 wt. % Ni; 26 wt. % Co; 7 wt. % Cr; balance Fe.The preferred volumetric ratios of the metals is about 50% of the high expansive alloy (1), 30 to 40% of the low expansive metal (2) and 10 to 20% of the corrosion resistant low expansive alloy.Type: GrantFiled: November 14, 1980Date of Patent: December 28, 1982Assignee: Hood and Co., Inc.Inventors: Stanley M. Golemo, Jr., Anthony J. Izbicki
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Patent number: 4340650Abstract: A multi-layer composite brazing alloy useful in mine drills for attaching hardened bits, such as tungsten carbide, to bit holders made of steel and the like, comprises two outer layers of a brazing alloy bonded to an inner layer or core of iron or nickel. While a wide variety of brazing alloys are useful as the outer layers, a cost preferred alloy is AMS-4764 (in percent by weight 9.5 Ni - 52.5 Cu - 38.0 Mn) having a melting range of 880.degree.-925.degree. C. This is approximately 40% less than the melting temperature of the iron or nickel core which, therefore, is not susceptible to melting and alloying with the outer layers when the brazing furnace temperature fluctuates during the brazing operation. On cooling, the ductile iron or nickel core absorbs stresses due to dissimilar thermal expansion coefficients of the carbide tip and the holder and prevents cracking of the joint.Type: GrantFiled: June 20, 1980Date of Patent: July 20, 1982Assignee: GTE Products CorporationInventors: Surya Pattanaik, Howard Mizuhara
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Patent number: 4314007Abstract: A composite shaped article comprising at least one reinforcing core of a heat-resistant oxide-dispersion-hardened metal or alloy and a cladding of a heat-resistant metal or alloy which is compatible with the core material, the core being wholly encapsulated within and bonded to the cladding material.A method for making the articles is provided.Type: GrantFiled: August 6, 1979Date of Patent: February 2, 1982Assignee: BBC Brown, Boveri & Company LimitedInventor: Gernot Gessinger
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Patent number: 4292377Abstract: A novel laminated composite material of gold-colored appearance especially suited for, but not limited to, coinage applications has a ferromagnetic core located between sheathing layers of a Cu-Al or Cu-Ni-Al alloy and separated therefrom by layers of copper. Alternative methods involving hot and/or cold rolling techniques are provided for the production of the novel laminates.Type: GrantFiled: January 25, 1980Date of Patent: September 29, 1981Assignee: The International Nickel Co., Inc.Inventors: Walter A. Petersen, Jonathan A. Travis, Frank A. Badia
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Patent number: 4247602Abstract: Silver alloy wire for the production of jewelry, especially jewelry chains is made of a solder containing nucleus and a jacket of silver or silver alloy wherein the solder containing nucleus has a core of silver or silver alloy surrounded by a layer of brass.Type: GrantFiled: June 13, 1979Date of Patent: January 27, 1981Assignee: Ferd. WagnerInventors: Hans Krug, Kurt Heilmann
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Patent number: 4209375Abstract: The disclosure relates to an improved sputter target for use in the deposition of hard coatings. An exemplary target is given wherein titanium diboride is brazed to a tantalum backing plate using a gold-palladium-nickel braze alloy.Type: GrantFiled: August 2, 1979Date of Patent: June 24, 1980Assignee: The United States of America as represented by the United States Department of EnergyInventors: Willard G. Gates, Gerald J. Hale
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Patent number: 4188458Abstract: Steel surfaces are protected from erosion and corrosion by a coating which includes at least three metallic layers of increasing normal potential from the base layer lying on the steel surface to that layer farthest from the steel surface. Also, the base layer immediately adjacent the steel surface has approximately the same normal potential as the steel surface.Type: GrantFiled: April 6, 1977Date of Patent: February 12, 1980Assignee: Stal-Laval Turbin ABInventors: Evald Hugosson, Anders Kullendorf
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Patent number: 4136231Abstract: In the manufacture of sandwich panels, a filler assembly is made up of rib elements and core elements that are roll bonded into a unitary structure, and slices are then cut from the unitary structure forming filler assemblies to be positioned between surface sheets. The surface sheets and the filler assemblies are then bonded together to form the panel.Type: GrantFiled: December 17, 1976Date of Patent: January 23, 1979Assignee: United Technologies CorporationInventor: Edward R. Slaughter
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Patent number: 4036599Abstract: A fiber reinforced metal composite comprising magnesium or a magnesium alloy containing substantially aligned, polycrystalline alumina fibers which have certain surface roughness characteristics and contain at least 80% Al.sub.2 O.sub.3 by weight.Type: GrantFiled: August 15, 1975Date of Patent: July 19, 1977Assignee: E. I. Du Pont de Nemours and CompanyInventor: Ashok Kumar Dhingra