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integrated circuits
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Journal Articles
Alloy Digest (2001) 50 (4): Cu-664.
Published: 01 April 2001
... Wieland-K65 is an alloy originally developed near 1970 and used as a carrier material for integrated circuits. It is characterized by high conductivity, good corrosion resistance, and very high strength. In 1990, it accounted for nearly 50% of the leadframe volume in the world. This datasheet...
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Wieland-K65 is an alloy originally developed near 1970 and used as a carrier material for integrated circuits. It is characterized by high conductivity, good corrosion resistance, and very high strength. In 1990, it accounted for nearly 50% of the leadframe volume in the world. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fatigue. It also includes information on corrosion resistance as well as forming, heat treating, and joining. Filing Code: CU-664. Producer or source: Wieland Metals Inc., Wieland-Werke AG.
Journal Articles
Alloy Digest (2011) 60 (11): Fe-156.
Published: 01 November 2011
... expansion close to that of silicon, ceramic, and glass. In addition to integrated circuit lead frames, applications include the manufacture of vibrating plates and metal masks. NAS 42 is also used as a soft magnetic material. Product Forms Available: Nippon Yakin supplies this product in coil and sheet...
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NAS 42 has a coefficient of thermal expansion close to silicon, ceramic, and glass. This datasheet provides information on composition, physical properties, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming. Filing Code: Fe-156. Producer or source: Nippon Yakin Kogyo Company Ltd.
Journal Articles
Alloy Digest (1999) 48 (4): Cu-632.
Published: 01 April 1999
...- tance of C151 is compared with other connector alloys in Fig. 3. The combination of electrical/thermal conductivity and strength available with C151 make it especially suited to electrical con- nector and integrated circuit lead frame applications. Standard mechanical properties for C151 are listed...
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Olin C151 is an age-hardenable dispersion strengthened zirconium-copper lead frame alloy. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as heat treating, machining, joining, and surface treatment. Filing Code: CU-632. Producer or source: Olin Brass.
Journal Articles
Alloy Digest (2007) 56 (12): Fe-142.
Published: 01 December 2007
... Soluble oil 9 13 10 0.10/rev Applications: Applications include the manufacture of integrated circuit supports (lead frames), where the low expansion coefficient matches that of the silicon chips; the manufacture of electron gun components for television sets; and sealing to certain types of glasses...
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N2 is an iron-nickel alloy containing 41% Ni. It is characterized by a low expansion coefficient up to 350 deg C (660 deg F). This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on forming, heat treating, machining, and joining. Filing Code: FE-142. Producer or source: Metalimphy Precision Alloys.
Journal Articles
Alloy Digest (1972) 21 (12): Co-67.
Published: 01 December 1972
..., gyro- scopes, relays, meters, frictionless bearings, integrated circuits, motors, generators, traction devices, clutches. Manufacturer. Raytheon Microwave and Power Tube Division Waltham, Massachusetts 02 154. ...
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RAECO-15 is a magnet alloy of samarium and cobalt which offers 15-million energy product, an extremely high intrinsic coercive force (Hci = 15,000 Oe), and a Curie Temperature of 750 C. It is especially attractive for use in severe demagnetizing environments at elevated temperatures. This datasheet provides information on composition, physical properties, hardness, and elasticity. It also includes information on forming, heat treating, machining, and joining. Filing Code: Co-67. Producer or source: Raytheon Microwave and Power Tube Division.
Journal Articles
Alloy Digest (1970) 19 (12): Cu-224.
Published: 01 December 1970
... bondable in these situations. The alumina fti provides an esceUent base for glass bonds which are required of the many glass-sealed electronic devices such as integrated circuits. Materials such as Teflon also can be bonded readily to Alloy 638. This unusual surface feature of the alloy is making...
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CORONZE Alloy 638 is a cobalt-silicon modified aluminum bronze with very high strength, good fatigue properties, good corrosion and excellent stress corrosion resistance. This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as fatigue. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: Cu-224. Producer or source: Olin Brass.
Journal Articles
Alloy Digest (2001) 50 (1): W-22.
Published: 01 January 2001
...). They also have good strength and electrical and thermal connectivity and are joined with ceramics or other semiconductors used in the electronics industry. Thus, they are good bases, heat sinks, and structural members for integrated circuits, semiconductors and high-power electron tubes. Producer: CMW, Inc...
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ELKONITE 20S, 30S, 35S, 40S, 45S, 50S, 4050, and 2088 are tungsten-silver compositions with the tungsten content ranging from 50-88 wt.%. Tungsten has the highest strength and the highest melting temperature of the refractory metals. This is the principal factor in determining resistance of a contact to arc erosion and mechanical wear. The strength, erosion, and weld-resistance characteristics of the contact increase with increasing tungsten content; the electrical and thermal characteristics decrease. This datasheet provides information on composition and physical properties. Filing Code: W-22. Producer or source: CMW Inc.
Journal Articles
Alloy Digest (1989) 38 (3): Cu-545.
Published: 01 March 1989
.... Forms Available: Rod, bar, tubing, shapes, wire, flat rolled products. Applications: Incandescent lamp leads; commutators; amortisseur bars in synchronous motors; circuit breakers; relay blades; switches; vacuum tube, microwave and X-Ray Tube components: integrated circuit lead frames; electrolytic...
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Copper No. C15720 is a powder metallurgy, dispersion strengthened copper alloy with A12O3 is a powder metallurgy, dispersion strengthened copper alloy with A12O3 as the dispersoid. It offers good strength (about 70,000 psi, annealed) and electrical conductivity (89% IACS, volume basis). It has broad and varied electrical apparatus applicability. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on forming, heat treating, machining, and joining. Filing Code: Cu-545. Producer or source: SCM Metal Products.
Journal Articles
Alloy Digest (1987) 36 (6): Fe-77.
Published: 01 June 1987
...-frames for integrated circuits. As a cortincopper~wireitisusedforstalingintosoft @assenvelopes of ekaric Iight bulbs, radio valves, TV tubes and flu0 l-esccut lights. Matnhamw . ho ABoys Iutcmatio~ Inc. Huntington, West Virginia 25720. III England: Iuco AIIoys Iutcmation4 I.uL Hereford, England HR49SL ...
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NILO Alloy 42 is a binary nickel-iron alloy having a low and nominally constant expansion coefficient over the range 20-300 C (68-572 F). It is used for semiconductor lead frames, thermostats and glass-to-metal seals. This datasheet provides information on composition, physical properties, elasticity, and tensile properties. It also includes information on high temperature performance as well as forming and heat treating. Filing Code: Fe-77. Producer or source: Inco Alloys International Inc..
Journal Articles
Alloy Digest (1970) 19 (11): Cu-221.
Published: 01 November 1970
... segments, power transformer windings, integrated circuit lead frames. Automotive: Radiators, gaskets. Miscellaneous: Chemical process equipment, printing rolls, clad metals, printed circuit foil. Manufacturer: Practically all copper mills. ...
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COPPER Nos. 113, 114, 115 and 116 are tough pitch coppers containing varying quantities of silver. At ambient temperatures, their properties are the same as those of tough pitch copper. Silver is added to increase the resistance to softening at elevated temperatures. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength as well as creep. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Cu-221. Producer or source: Copper and copper alloy mills.
Journal Articles
Alloy Digest (1972) 21 (11): Cu-261.
Published: 01 November 1972
... Available: Rods, bars, strips, tube, wire, shapes and stranded wire. Applications: Transistor and integrated circuit bases, tips and wheels for resistance welding, cold-headed fasteners, commutator bars and segments, electrical switch gear and contacts, conductor wire, fuse clips, aerospace conductors...
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PD-135 is an oxygen-free, age-hardenable copper containing chromium and cadmium. It has excellent mechanical properties and high electrical and thermal conductivities. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as creep and fatigue. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Cu-261. Producer or source: Phelps Dodge Copper Products Company.
Journal Articles
Alloy Digest (1971) 20 (5): Cu-233.
Published: 01 May 1971
... produced from strip. Applications: Electrical components such as springs, contacts, connectors, terminals, cable tape, fuse clips, plug contacts, clamps, transistor bases, fastenings, -gaskets, chaphra&, hdlow ware, giftware, flexible hose, architectural aoolications. lead frames, integrated circuit frames...
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COPPER ALLOY No. 194 is a relatively high-conductivity, high-strength modified copper which is in general use in the electrical and electronic industries. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as creep and fatigue. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: Cu-233. Producer or source: Anaconda American Brass Company.
Journal Articles
Alloy Digest (1981) 30 (4): Fe-62.
Published: 01 April 1981
.... The largest market has been as lead frames for ceramic and plastic encapsulated integrated circuits where the A-L 42 expansion characteristic matches closely that of the tiny silicon chip bonded to it. More recently, A-L 42 has been found to be applicable to glass-to-metal sealing environments in which...
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A-L 42 is intended as a controlled-expansion alloy for applications in the electronics and electrical industries. It is used in conjunction with certain glass (0120, 0010, 1075, etc.) and other nonmetallic materials in sealing applications. A-L 42 is AOD (Argon Oxygen Decarburization) refined in 100-ton heats to insure high quality and uniformity. Its applications include semi-conductor lead frames, sealed-beam automobile headlamps and industrial lamps. This datasheet provides information on composition, physical properties, hardness, and elasticity. It also includes information on corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: Fe-62. Producer or source: Allegheny Ludlum Corporation.
Journal Articles
Alloy Digest (1998) 47 (3): In-3.
Published: 01 March 1998
..., such as indium phos- phide used as substrates for fabrication of integrated circuits or discrete devices such as laser diodes and photo detectom. Certifi- cation of 6N5 purity is by optical emission spectroscopy (OES). with GFAA (graphite furnace atomic absorption) used forquanti- tative analysis of selected...
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Semiconductor grade indium products are available in several high purity levels including 7N, 6N5WCI (with controlled impurities), 6N5, and 6N. High purity indium is used in electronic device technology, crystal growth in epitaxial processes, and the production of single crystal III-V compound semiconductors. This datasheet provides information on composition, physical properties, microstructure, hardness, elasticity, tensile properties, and compressive strength. It also includes information on high temperature performance. Filing Code: IN-3. Producer or source: Indium Corporation.
Journal Articles
Alloy Digest (2004) 53 (1): Fe-125.
Published: 01 January 2004
... Copper/Invar/Copper is a wrought metallic composite material used in printed circuit boards, power planes, metal cores, hybrid enclosures, heat sinks, and other applications where coefficients of thermal expansion (CTE) match or where constraint of thermal expansion is required or beneficial...
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Copper/Invar/Copper is a wrought metallic composite material used in printed circuit boards, power planes, metal cores, hybrid enclosures, heat sinks, and other applications where coefficients of thermal expansion (CTE) match or where constraint of thermal expansion is required or beneficial. The laminated Cu/Invar/Cu composite material is metallurgically bonded by roll bonding and normally used in the fully annealed condition. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, and joining. Filing Code: FE-125. Producer or source: Engineered Materials Solutions Inc.
Journal Articles
Alloy Digest (1985) 34 (7): Cu-229.
Published: 01 July 1985
... for integrated, hybrid and other circuits requiring lead frames where its corrosion resistance, solderability, and properties as a bare metal wire wrap post improve reliability. Similar benefits are obtained when Alloy 725 is used for springs, clips, solder lugs, spade terminals, connectors, control and sensing...
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CDA ALLOY 725 (Now known as CDA ALLOY C72500) is a copper-nickel-tin alloy designed to improve the reliability of electrical connectors by resisting oxidation and thus providing improved solderability. It has a pleasant silver color and excellent joinability by soldering, brazing and spot and butt resistance welding. Its uses include electrical connectors, relay and switch springs, and builders' hardware. The revision is being made to correct an error in composition and for general updating. The original name (CDA ALLOY 725) is being retained because of the correction in composition. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Cu-229. Producer or source: Copper and copper alloy mills. Originally published March 1971, revised July 1985.