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electroless copper plating
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Book: Surface Engineering
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001265
EISBN: 978-1-62708-170-2
... of electroless copper in various applications. This article provides information on the bath chemistry and deposit properties of electroless copper and discusses the applications of electroless copper plating, such as printed wiring boards, decorative plating-on-plastic, electromagnetic interference shielding...
Abstract
Electroless, or autocatalytic, metal plating is a nonelectrolytic method of deposition from solution that can be plated uniformly over all surfaces, regardless of size and shape. The plating's ability to plate onto nonconductors is an advantage that contributes to the choice of electroless copper in various applications. This article provides information on the bath chemistry and deposit properties of electroless copper and discusses the applications of electroless copper plating, such as printed wiring boards, decorative plating-on-plastic, electromagnetic interference shielding, and hybrid and other advanced applications. It describes two commercial processes, pretreatment and post-treatment. The article reviews the solutions used, controls and control equipment, and performance criteria of electroless copper plating. It concludes with information on the environmental and safety issues associated with electroless copper plating.
Book Chapter
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003216
EISBN: 978-1-62708-199-3
...Abstract Abstract This article describes the steps, bath composition and characteristics, equipment, plating rate, deposit thickness, and applications for different types of nonelectrolytic deposition processes, including electroless nickel plating, electroless copper plating and mechanical...
Book: Surface Engineering
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001266
EISBN: 978-1-62708-170-2
... as immersion plating . Several metals can be deposited using the electroless plating technique. Electroless copper and electroless nickel are widely used (see the articles “Electroless Nickel Plating” and “Electroless Copper Plating” in this Volume). There is a growing interest in the electroless...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003022
EISBN: 978-1-62708-200-6
... copper or electroless nickel; the strength of the adhesion cannot be differentiated between the two types of plating. However, for polyacetal and polybutylene terephthalate, the adhesion of electroless nickel is significantly better than that of electroless copper. Special and Super Engineering...
Abstract
The process of coating plastics with metals for functional purposes is called metallizing of plastics. This article discusses the metallizing of plastics, provides information on its history, and gives a short note on applications and adhesion properties of metallic coatings. It also discusses the selection of plastics for plating. This article also describes metallizing techniques, including plating (electrolytic or electroplating), vacuum metallizing and thermal spraying, and environmental considerations. The article discusses the quality assurance procedures for metallized plastic parts which include tests that assess the quality of the finish, coating thickness, adhesion, and corrosion resistance, and gives a short note on service performance, which includes service condition classifications.
Book: Surface Engineering
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001264
EISBN: 978-1-62708-170-2
... on electroless nickel coatings on composites and plastics. aluminum alloys composites copper alloys electroless nickel baths electroless nickel plating electroless nickel plating equipment electroless nickel-boron coatings electroless nickel-phosphorus coatings fatigue strength ferrous alloys...
Abstract
Electroless nickel plating is used to deposit nickel without the use of an electric current. This article provides an overview of the solution composition and characteristics of the electroless nickel bath. It focuses on the metallurgical, mechanical and physical properties of electroless nickel-phosphorus coatings and electroless nickel-boron coatings. The effect of electroless nickel coatings on the fatigue strength of steel is also described. The article includes information on the recommended pretreatment procedures for different ferrous alloys, aluminum alloys, and copper alloys. It presents a detailed account of the equipment and various processes—including bulk and barrel plating—involved in electroless nickel plating, and discusses hydrogen relief methods. The article includes a comprehensive table on nickel plating applications, and concludes with information on electroless nickel coatings on composites and plastics.
Book Chapter
Book: Surface Engineering
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001309
EISBN: 978-1-62708-170-2
... cleaning coating coloring copper copper alloys corrosion resistance electrochemical cleaning electroless plating electroplating finishing immersion plating mass finishing organic coatings passivation pickling polishing surface treatment COPPER and copper alloys constitute one...
Abstract
The selection of surface treatments for copper and copper alloys is generally based on application requirements for appearance and corrosion resistance. This article describes cleaning, finishing, and coating processes for copper and copper alloys. These processes include pickling and bright dipping, abrasive blast cleaning, chemical and electrochemical cleaning, mass finishing, polishing and buffing, electroless plating, immersion plating, electroplating, passivation, coloring, and organic coatings.
Book: Surface Engineering
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001267
EISBN: 978-1-62708-170-2
... in the activation of copper for subsequent electroless nickel plating in printed circuit board applications. The addition of ruthenium reduces the number of palladium atoms on the surface and improves the adhesion of the nickel to the copper. Processing of Parts The electroless alloy coatings discussed...
Abstract
Metallic nonelectrolytic alloy coatings produced from aqueous solutions are commercially used in several industries, including electronics, aerospace, medical, oil and gas production, chemical processing, and automotive. Nonelectrolytic coating systems use two types of reactions to deposit metal onto a part: electroless and displacement. This article explains the various types of electroless and dispersion alloy coating systems. It provides information on the processing of parts, process control, deposit analysis, and equipment used for coating nonelectrolytic displacement alloys. The article concludes with a discussion on the safety and environmental concerns associated with nonelectrolytic deposition processes.
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005581
EISBN: 978-1-62708-174-0
... aluminum-aluminum, aluminum-copper, copper-copper, and aluminum-mild steel, applying different methods of dressing the workpiece surfaces before cold welding, show that electrochemical and chemical (also called electroless) plating are good alternatives to scratch brushing ( Ref 10 ). As an example, Fig...
Abstract
Plastic deformation of one or both metals is required to obtain bonding in cold welding. This article presents a theoretical model, to explain the bond strength, based on metallographic studies and continuum mechanical analysis of the local plastic deformation in the weld interface. It describes the bonding mechanisms, with illustrations. The article discusses the alternative methods of surface preparation and quality control of the weld interface of a cold weld. It concludes with a description of a variety of metal-forming processes suitable for production of cold welds, namely, rolling, indentation, butt welding, extrusion, and shear welding.
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006491
EISBN: 978-1-62708-207-5
... plating, and electroless plating, and describes various plating materials and the types of applications in which they are used. It provides critical processing details such as temperatures, ratios, ranges, times, and rates. The article explains how to prepare aluminum components for electroplating...
Abstract
Aluminum components are often plated with other metals to mitigate the effects of corrosion and wear, improve application performance, and extend service life. This article discusses some of the more common aluminum plating processes, including electroplating, immersion plating, and electroless plating, and describes various plating materials and the types of applications in which they are used. It provides critical processing details such as temperatures, ratios, ranges, times, and rates. The article explains how to prepare aluminum components for electroplating, discussing surface roughening, anodizing, and immersion procedures along with expected results.
Image
Published: 30 September 2015
Fig. 2 Metal injection molding 17-4 PH stainless steel optical transceiver housing designed for ultrahigh-speed transceivers in networking and telecommunications equipment. The MIM part also receives electrolytic copper, electroless nickel, and electrolytic gold plating. Courtesy of MPIF
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Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003687
EISBN: 978-1-62708-182-5
... with a clear or colored chromate conversion film. This results in coatings that are both protective and decorative. Chromium plating, electroless nickel plating, and anodizing of aluminum (not actually an electroplating process, but an electrochemical process widely practiced at electroplating installations...
Abstract
This article discusses the various factors that affect the corrosion performance of electroplated coatings. It describes the effects of environment and the deposition process on substrate coatings. The article provides a discussion on the electrochemical techniques capable of predicting the corrosion performance of a plated part. It reviews the designs of coating systems for optimal protection of the substrate. The article also discusses controlled weathering tests and accelerated tests used to predict and determine the relative durability of the coating.
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006395
EISBN: 978-1-62708-192-4
.... The article describes various plating methods, such as pulse electroplating, electroless plating, brush plating, and jet plating. It reviews the types of electrodeposited coatings, including hard coatings and soft coatings. The article also details the materials available for electroplating, including...
Abstract
This article discusses the fundamentals of electroplating processes, including pre-electroplating and surface-preparation processes. It illustrates the four layers of a plating system, namely, top or finish coat, undercoat, strike or flash, and base material layers. The article describes various plating methods, such as pulse electroplating, electroless plating, brush plating, and jet plating. It reviews the types of electrodeposited coatings, including hard coatings and soft coatings. The article also details the materials available for electroplating, including electroplated chromium, electroplated nickel, electroless (autocatalytic) nickel, electroless nickel composite coatings, electroplated gold, and platinum group coatings. These are specifically tailored toward plated coatings for friction, lubrication, and wear technology. The article concludes with a discussion on the common issues encountered with electroplating.
Book: Surface Engineering
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001242
EISBN: 978-1-62708-170-2
... and fluoborate acid baths are the electrolytes used in the electrolytic deposition of copper deposits. For additional information, see the article “Electroless Copper Plating” in this Volume. Alkaline Plating Baths Alkaline cyanide copper solutions are used to plate the initial deposits (as a strike...
Abstract
This article provides a detailed account of the various alkaline and acid plating baths used for electrolytic copper plating. Dilute cyanide and Rochelle cyanide baths, high-efficiency sodium and potassium cyanide baths, alkaline noncyanide copper plating baths, and alkaline copper pyrophosphate baths, are discussed. The article reviews acid plating baths such as copper sulfate bath and copper fluoborate bath. It also presents information on the surface preparation considerations, bath composition, and operating variables of copper plating as well as the equipment used.
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001448
EISBN: 978-1-62708-173-3
... processes are available for joining ferrous metals, ultrasonic welding usually is not chosen. Copper flash or copper plating on steel will sometimes improve the quality of the weld. Fig. 2 Photomicrograph showing weld interface cross section of 0.81 mm (0.032 in.) thick high-carbon (0.9 wt% C) steel...
Abstract
Ultrasonic welding (USW) is effectively used to join both similar and dissimilar metals with lap-joint welds. This article describes procedure considerations for the ultrasonic welding of specific material types. It reviews difficult-to-weld alloys, such as carbon and low-alloy steels, high-strength steels, and stainless steel, and provides information on the applications of weldable alloys such as aluminum alloys and copper alloys. The article concludes with a discussion on welding of dissimilar metal (nonferrous-to-nonferrous) combinations and its applications.
Book Chapter
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003221
EISBN: 978-1-62708-199-3
.... Coating Processes Electroless Plating Electroless plating processes are used to plate copper with gold and silver for decorative purposes. Nickel, gold, and silver are frequently applied to copper electronic components to prevent tarnishing during subsequent processing and to aid in the soldering...
Abstract
This article discusses surface engineering of nonferrous metals including aluminum and aluminum alloys, copper and copper alloys, magnesium alloys, nickel and nickel alloys, titanium and titanium alloys, zirconium and hafnium, zinc alloys, and refractory metals and alloys. It describes various techniques to improve functional surface properties and enhance the appearance of product forms. The article discusses various cleaning and finishing techniques such as abrasive blast cleaning, polishing and buffing, barrel burnishing, chemical cleaning, pickling, etching and bright dipping, electrochemical cleaning, mechanical cleaning, and mass finishing. It also examines coating processes such as plating, anodizing, chemical conversion coating, and thermal spray, and concludes with a discussion on oxidation-resistant coatings for refractory metals.
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004126
EISBN: 978-1-62708-184-9
...Abstract Abstract This article focuses on the various coatings used on Department of Defense (DoD) systems. These include electroplated coatings; conversion coatings; supplemental oils, waxes, and lubricants; organic paint coatings; and other finishes such as vacuum deposits, mechanical plating...
Abstract
This article focuses on the various coatings used on Department of Defense (DoD) systems. These include electroplated coatings; conversion coatings; supplemental oils, waxes, and lubricants; organic paint coatings; and other finishes such as vacuum deposits, mechanical plating, thermal spray coatings, and hot-dip coatings. The article also lists the test requirements and time to failure of the coatings.
Book: Surface Engineering
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001303
EISBN: 978-1-62708-170-2
... or in a volatile solvent 38–75 (1.5–3.0) Solvent rinsing or alkaline cleaning Highly finished parts stored for prolonged periods Source: Ref 7 Electroplating and Electroless Plating Cast irons are most commonly plated with chromium, nickel, copper, cadmium, and zinc. In addition, gold, lead...
Abstract
This article provides a brief review of the classification and characteristics of cast irons. It describes the processes used to clean iron castings, including mechanical cleaning and finishing and nonmechanical cleaning. The article discusses surface treatments used to extend casting life when resistance to corrosion, wear, and erosion is required. The common methods include electroplating, electroless plating, hardfacing, weld cladding, surface hardening, porcelain enameling, and organic coatings.
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001460
EISBN: 978-1-62708-173-3
...-nickel (1.3 to 2.5 μm, or 50 to 100 μin.), or copper (3.8 to 7.6 μm, or 150 to 300 μin.). Electroless nickel is not recommended for flexible or semirigid leads or substrates exposed to high-temperature testing procedures prior to PWB assembly. Phosphorus from the plating bath may become entrapped...
Abstract
Soldering represents the primary method of attaching electronic components, such as resistors, capacitors, or packaged integrated circuits, to either printed wiring board whose defects is minimized by consideration of proper PWB design, device packages, and board assembly. This article discusses the categories that are most important to successful electronic soldering, namely, solders and fluxes selection, nature of base materials and finishes, solder joint design, and solderability testing.
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002494
EISBN: 978-1-62708-194-8
... cycling Mask areas not to be coated Cladding Only for relatively simple shapes, especially with flat surfaces Surfaces must be thoroughly cleaned before cladding, so design principles for cleaning also apply Electroless plating Allow for fixturing/racking on nonsignificant surfaces Avoid...
Abstract
This article presents general design principles for different types of surface-finishing processes, such as cleaning, organic coatings, and inorganic coatings applied by a variety of techniques. It discusses the factors that influence the selection of surface-finishing processes. These include fabrication processes, size, weight, functional requirements, and design features. The article discusses the design as an integral part of manufacturing. It contains tables that summarize the design limitations for selected surface-preparation, organic finishing, and inorganic finishing processes.
Book Chapter
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006335
EISBN: 978-1-62708-179-5
... will adhere to the casting. There are various types of organic and inorganic coatings and methods of application. Inorganic finishes—including metal- and ceramic-based coatings—are applied by a variety of techniques, such as electroplating, electroless plating, thermal spraying, hot dipping, ion plating...
Abstract
Coating of cast irons is done to improve appearance and resistance to degradation due to corrosion, erosion, and wear. This article describes inorganic coating methods commonly applied to cast irons. The coating methods include plating, hot dip coating, conversion coating, diffusion coating, cladding, porcelain enameling, and thermal spray. Organic coatings have a wide variety of properties, but their primary use is for corrosion resistance combined with a pleasing colored appearance. The article discusses the various types of organic coatings applied to cast irons. Practically any degree of smoothness or roughness and requirement for color and gloss can be filled by organic coatings. The article describes abrasive blast cleaning, abrasive waterjet cleaning and finishing, vibratory finishing, barrel finishing, and shot peening for processing iron castings.