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Quality Assessment Procedures. Process Approval for Specialist Contractors Within the Electronics Components Industry

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Prescribes principle of process approval for specialist contractors under CECC system.

Quality Association for Paint Removal Quality and Stipulation of Quality and Testing Rules

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The first open meeting of a German paint stripping quality association is noted. Reference is made to quality and testing rules for the industrial removal of paint from metal and plastics, with the object of establishing an international quality sal which ensure a high quality standard in chemical paint removal.

Quality assurance in Metal Finishing. Pt 4.

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Wide-rangeing advice incl. better rinsing, both in cascading and use of fine bubbles or similar to increase turbulence at work surface. (diagram). Rejuventation of baths is better than additions. Graph shows zinc content increasing with time in a chromating bath, both measured and predicted (simulation). Use of timed cycles can also bring benefits. A case study based on black chromating illustrates the above points. 8 refs

Quality assurance & recycling in zinc plating & chromating - report of a DGO Meeting

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Introductory lecture review of plating in 19th & early 20th C. Then a detailed review of Quality Management procedures. Hexavalent chromate conversion coating solutions and means to extend their bath life were examined, mainly build-up of accumulated metal ion impurities, but also reduction of hexavalent to trivalent ions. One commercial method (Messrs Anotech) is combined ion-exchange & membrane electrolysis, and the mode of operation of this is explained.

Quality assurance & surface coating techniques

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Overview of Process Control (ISO 9000, Section 4.9), pre-treatment processes in pre-coat stage, cleaning of silicon wafers or aluminium. The IPAP vacuum chamber RF coating process and post-deposition annealing. Sketches show IPAP, QC sequence. 8 refs

Quality Assurance - Analysis & Control of Process Parameters

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Conceptual treatment of QA showing the "quality circle" and enumerating the various aspects of manufacture including marketing, operations, testing and control. The main DIN standards are listed as are the analytical methods called for. A list of important equipment and its costs is given.

Quality Assurance - CAQ in Printed Circuit Board Manufacture

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The CAQ management approach to QA in p.c.b manufacture is described with its ramifications in terms of profitability and its role in CIM. The statistical implications are such that use of computers is mandatory.

Quality Assurance - Certification vs. TQM

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Au. asks what is the future for TQM and looks to DIN ISO 9000, 9001, 9002, 9003, 9004 as a basis for certification.

Quality Assurance - Report of a Conference

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l page note on title conf. with quality circle as per DIN 55350.

Quality assurance according to RAL-RG 660

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Quality assurance according to RAL-RG 600 standard (RAL Deutsches Institut fr Guetesicherung und Kennzeichnung eV) rests on in-plant and external supervision. Describes requirements of ISO 9000 et seq.

Quality Assurance Applied to A Zinc Plating Jobbing Shop

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Case history of QA as used in a zinc-plating job shop. The various tests applied are described, in the wider context of DIN ISO 9002. A simple statistical treatment is applied and graphs show this. 9. refs.

Quality Assurance Assessment of Thin Films

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SFEN Sophisticated methods of QA based on statistical analyses of hardness and or scratch tests are proposed. 18 refs.

Quality assurance audits for aerospace surface finishing contractors

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Quality audits for aerospace surface treatment contractors necessarily also involve those Suppliers who provide chemicals etc. QA procedures in Europe & USA differ, and the implementation of both are described.

Quality assurance by film thickness measurement of diamond & diamond-like films

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Thickness meas't methods, destructive & ND are listed and their results compared. SEM's can also be used, as can indirect methods such as optical interference. 19 refs

Quality Assurance by monitoring mechanical properties of deposits

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