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lead frames

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Journal Articles
Alloy Digest (1987) 36 (6): Fe-77.
Published: 01 June 1987
... 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...
Journal Articles
Alloy Digest (1981) 30 (4): Fe-62.
Published: 01 April 1981
... 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...
Journal Articles
Alloy Digest (1994) 43 (10): Cu-552.
Published: 01 October 1994
... Copper Alloy No. C15100 is an age-hardenable zirconium-copper lead frame alloy. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fatigue. It also includes information on forming, heat treating, machining, and joining...
Journal Articles
Alloy Digest (1994) 43 (12): Cu-540.
Published: 01 December 1994
... COPPER ALLOY NO. C15500 is a silver-bearing copper alloy with softening resistance. A typical application is lead frames for electric devices. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fatigue. It also includes...
Journal Articles
Alloy Digest (1971) 20 (2): Cu-226.
Published: 01 February 1971
..., waveguides, switchgear, heatsinks, lead frames, etc. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength as well as fatigue. It also includes information on forming, heat treating, machining, and joining. Filing Code: Cu-226...
Journal Articles
Alloy Digest (2003) 52 (9): Cu-709.
Published: 01 September 2003
... Wieland-K30 is a nondeoxidized copper with acceptable electrical and thermal conductivities. It is often called electrolytic tough pitch copper. Typical applications include lead frames and automotive connectors. This datasheet provides information on composition, physical properties, hardness...
Journal Articles
Alloy Digest (2017) 66 (7): Cu-862.
Published: 01 July 2017
... Alloy KHP 109 (C19025) is a high performance copper alloy with high conductivity. Typical uses are components for the electrical industry, connectors, contact springs, switches, relays, and IC lead frames. This datasheet provides information on composition, physical properties, hardness...
Journal Articles
Alloy Digest (2017) 66 (8): Cu-863.
Published: 01 August 2017
... Alloy KHP 151 (UNS C15100) is a high performance copper alloy with very high conductivity. Typical uses include lead frames for high-power electronic circuits, connectors, and switchblade jaws; and applications requiring high conductivity, moderate strength, good bend formability and good stress...
Journal Articles
Alloy Digest (1999) 48 (4): Cu-632.
Published: 01 April 1999
... 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...
Journal Articles
Alloy Digest (1999) 48 (7): Cu-637.
Published: 01 July 1999
... WRM alloy 4112 is a modified copper-zinc-tin (Cu-Zn-Sn) alloy with improved conductivity, high strength, and improved forming ability. Typical applications are lead frames and contact springs. This datasheet provides information on composition, physical properties, elasticity, and tensile...
Journal Articles
Alloy Digest (1999) 48 (8): Cu-638.
Published: 01 August 1999
... WRM alloy 5058 is a phosphor-bronze alloy with a good combination of electrical conductivity, tensile strength, and stress-relaxation resistance. Typical applications include lead frames, contact springs, and fuse clips. This datasheet provides information on composition, physical properties...
Journal Articles
Alloy Digest (2001) 50 (6): Cu-667.
Published: 01 June 2001
... Wieland-K81 is a copper-tin alloy with strength and cold working characteristics that are useful in making lead-frames. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fatigue. It also includes information...
Journal Articles
Alloy Digest (2011) 60 (11): Fe-156.
Published: 01 November 2011
... does not vary, ensuring adequate ductility at room temperature and even low temperatures. Workability: NAS 42 is an excellent choice for use in lead frames when pressing, etching, plating, and soldering. Fig. 1 Mean coefficient of thermal expansion Fig. 2 Thermal expansion coefficient Corrosion...
Journal Articles
Alloy Digest (1999) 48 (10): Cu-616.
Published: 01 October 1999
... packaging operations. Thermal and electrical conduc- tivity and room temperature mechanical properties are unaf- fected by small additions of this element. Silver copper alloy C15500 is popular for lead frame applica- tions to resist softening. The alloy has the best combination of good electrical...
Journal Articles
Alloy Digest (1977) 26 (10): Cu-341.
Published: 01 October 1977
..., formability and resistance to thermal softening. It is an electronic grade of deoxidized copper containing a small addition (0.20%) of cadmium. Chase 14310 is a superior lead frame metal and an excellent material for designers and materials engineers in the appliance, welding, brazing and other industries...
Journal Articles
Alloy Digest (2016) 65 (12): Cu-854.
Published: 01 December 2016
...), polybrominated biphenyl (PBB), polybrominated biphenyl ether (PBDE); restricted with RoHS, etc. Good solderability and plateability. Can achieve higher silver plating reflection required for lead frames of high-luminosity LEDs. Product Forms Available: Strip Applications: Leadframe for QFP, QFN package...
Journal Articles
Alloy Digest (2016) 65 (11): Cu-853.
Published: 01 November 2016
... Steel Ltd, Aluminum and Copper Business. Producer or Source: Kobe Steel Ltd, Aluminum and Copper Business Copyright ┬ę ASM International┬« 2016 2016 ASM International bend strength chemical composition elasticity hardness KOBELCO KFC lead frames physical properties tensile properties...
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...
Journal Articles
Alloy Digest (1998) 47 (12): Cu-625.
Published: 01 December 1998
... Connectors, contact springs. tetminah, lead frames Mechanical Properties: Modulus ofelasticity, GPa (106 psi) SeealsoTable 1. Specification Equivalents: UNS C40860 117 (17) General Characteristics: WRM Alloy 4085 is a modified copper-zinc-tin ahoy with electrical conductivity approximately double...
Journal Articles
Alloy Digest (1999) 48 (12): Cu-643.
Published: 01 December 1999
... (oscil- lated) reels are available with gages from 0.006 0.080 in. in widths from 0.150 2.25 in. Packages come in 500, 1000, 2000, and 4000 lb reels. Applications: Typical applications include terminals, connectors, lead frames, and contact springs. This alloy meets the requirements of amp specification...