Class 205/926 - Polyamide or polyimide (e.g., nylon, etc.)

Subclass of Class 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions
Definition: Subject matter wherein the major or predominant constituent
No. of patents: 22
Last issue date: 01/16/1996

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Number	Title	Issue Date
5484517	Method of forming multi-element thin hot film sensors on polyimide film The invention comprises a method of forming a multi-element, thin hot film sensor on a polyimide film. The sensor is formed by first cleaning one surface of the polyimide. Then, under a continuous vacuum, the surface is simultaneously cleaned by ion bomba...	01/16/1996
5478462	Process for forming polyimide-metal laminates Polyimide-metal laminates are formed by etching the surfaces of a polyimide web with a glycol-containing etchant followed by electroless nickel or cobalt deposition and then by copper per deposition. The glycol containing etchant can be utilized to form t...	12/26/1995
5176811	Gold plating bath additives for copper circuitization on polyimide printed circuit boards Disclosed is a method of fabricating a microelectronic package, especially a microelectronic package having gold plated copper circuitization on a polyimide substrate. The method includes the steps of forming a pattern of copper circuitization on the sele...	01/05/1993
5112462	Method of making metal-film laminate resistant to delamination A flexible metal-film laminate can comprise a layered film structure having a metal layer securely bonded to a film layer. The laminate contains a unique metal-oxide attachment structure between the film and metal layer comprising randomly distributed reg...	05/12/1992
5092967	Process for forming printed circuits Printed electrical circuits are formed by coating an electrically insulating substrate with a layer of nickel metal followed by electroplating a second metal layer in a pattern of the desired circuit. Exposed nickel is removed from the substrate by reacti...	03/03/1992
5032467	Process for electroplating electroactive polymers and articles derived therefrom The invention consists of a process for electroplating electroactive polymer substrates at potentials sufficient to cause reduction of the substrates. The inventive process can be used to make polymer-metal composites having one or more metal films. More ...	07/16/1991
5021129	Multilayer structures of different electroactive materials and methods of fabrication thereof Structures and methods of fabrication thereof wherein the method selectively supplies electrons to a first electroactive material in the presence of a second electroactive material wherein the first and second electroactive materials have different redox ...	06/04/1991
5015538	Process for pulse electroplating electroactive polymers and articles derived therefrom The invention consists of a process for pulse electroplating electroactive polymer substrates at potentials sufficient to cause reduction of the substrates. The inventive process can be used to make polymer-metal composites having one or more metal films....	05/14/1991
4959121	Method for treating a polyimide surface for subsequent plating thereon A polyimide surface is pretreated in preparation for an adhesion promotion treatment and subsequent metallization on the surface, wherein the pretreatment comprises the steps of: (A) contacting the polyimide surface with an aqueous solution of nitric acid...	09/25/1990
4931148	Method for manufacture of printed circuit boards Printed circuit boards containing thru-holes requiring metallization are manufactured by first applying to the board material an alkaline strippable resist in a predetermined desired pattern, thereafter applying material catalytic to subsequent metallizat...	06/05/1990
4894124	Thermally stable dual metal coated laminate products made from textured polyimide film Both surfaces of a uniformly and completely textured polyimide sheet are coated with a layer of electroless nickel or cobalt and a subsequent layer of electrolytically applied copper yielding an adhesiveless laminate useful in the production of electronic...	01/16/1990
4873136	Method for preparing polymer surfaces for subsequent plating thereon, and improved metal-plated plastic articles made therefrom An improved method for pretreating a polyimide surface in preparation for an adhesion promotion treatment and subsequent metallization is disclosed, wherein the pretreatment comprises mild etching of the surface, contact of the surface with a basic soluti...	10/10/1989
4863808	Copper-chromium-polyimide composite A carrier for use in flexible circuits and tape-automated-bonding includes a layer of vacuum deposited metallic chromium between the copper and polyimide. The chromium is vacuum deposited on the polyimide, affords resistance to undercutting from gold and ...	09/05/1989
4842946	Method for treating a polyimide surface to improve the adhesion of metal deposited thereon, and articles produced thereby A method for treating a polyimide surface is disclosed, in which an adhesion-promoting compound such as thiourea contacts the surface prior to the electroless plating of metal thereon. Articles formed by such a method are also disclosed....	06/27/1989
4832799	Process for coating at least one surface of a polyimide sheet with copper At least one surface of a polyimide sheet surface is coated with copper in the absence of an adhesive. The polyimide surface is treated with a one phase aqueous solution comprising an alkylene diamine; an alkali metal hydroxide and a water miscible alcoho...	05/23/1989
4830903	Catalytic deposition of metals in solid matrices A process for depositing metal in the form of an interlayer within a solid matrix. The process is characterized in the use of electroactive transfer agents to carry electrons from the cathode to the desired locus within the matrix where the metal cation (...	05/16/1989
4820553	Method for pretreatment of polyesters for metal plating This invention relates to a process for conditioning the surfaces of polyester and polyamide materials for electroless plating of a metal coating thereon by exposing such materials to a composition comprising a solvent system containing water, and one or ...	04/11/1989
4806395	Textured polyimide film One or both surfaces of a polyimide sheet are uniformly and completely textured and can be coated with a layer of electroless nickel or cobalt and a subsequent layer of electrolytically applied copper yielding an adhesiveless laminate useful in the produc...	02/21/1989
4604168	Pretreatment for electroplating mineral-filled nylon A method of preparing the surface of molded mineral-filled nylon to receive an adherent electrodeposited metal coating comprising the steps of: exposing the surface to a plasma glow discharge; vacuum depositing a film of chromium or titanium onto the plas...	08/05/1986
4552626	Metal plating of polyamide thermoplastics A process for metal plating filled thermoplastic resins such as nylon-6. The filled resin surface to be plated is cleaned and rendered hydrophillic and preferably deglazed by a suitable solvent or acid. At least a portion of the filler in the surface is r...	11/12/1985
4349421	Preparation of metal plated polyamide thermoplastic articles having mirror-like metal finish Disclosed is an improved process for preparing metal plated thermoplastic compositions by electroless metal deposition and subsequent electrolytic plating. This process comprises the sequence of etching a filled thermoplastic resin substrate with dilute a...	09/14/1982
4021314	Method of depositing a metal on a surface A method of depositing a metal on a dielectric surface is disclosed. The method comprises treating the surface with a stable hydrosol obtained by mixing and heating together in an acidic aqueous medium (1) a salt of a noble metal with (2) an organic compo...	05/03/1977

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Class 205/926 - Polyamide or polyimide (e.g., nylon, etc.)