Table of contents
An Ultra‐violet (U‐V) Conformal Coating System: Materials and Processes
I.B. Goldman, A. KrajewskiThe use of U‐V technology in conformal coating applications has come of age. This paper discusses the material, process, and equipment which recently have been utilised for the…
The Theory of Cleaning: Part 2
B.N. EllisThis is the second part of a theoretical treatise focusing on the mechanics, physics and chemistry of cleaning (in simple terms) of electronics components and assemblies.
Multilayer Specification: Thermal Analysis Techniques?
J.N. LeckenbyDuring recent years, the PCB industry has become more aware of the use of analytical test techniques to aid in materials testing. Repeatable quality of base materials, together…
Small Hole Drilling
H. BrösamleBack taper drills, back taper drills with cylindrical tips and spade type drills were the three types available in the past for drilling multilayer boards in the diameter range of…
Soldermasks Reappraised
W.G. KnightThis paper examines the different types of soldermask and their suitability in terms of insulation properties and adhesion, and their processing properties, parameters and costs.
Quality Improvement by Vacuum Laminating of Complex Multilayer Boards
G. MüllerIn the production of multilayer boards with 10 and more single layers it was found that air and gas, entrapped in the cured prepreg resin, caused unacceptable scrap. The amount of…
Design Economics of Surface Mount PCBs
S. Kalenik, B. AndersonThis paper presents an experience in designing a printed circuit board prototype as part of a general surface mount investigation for commercial electronics application. The point…
Using Thermochemical Analysis in the Quality Control of Prepregs and Laminates for Multilayer PCB Manufacture
C.A. SmithDifferential Scanning Calorimetry (DSC) is an ideal technique for characterising polymeric materials such as the epoxy resin in epoxy glass prepregs and laminates, the technique…
Computer‐aided Solderability Testing for Receiving Inspection
J.G. Davy, R. SkoldThe availability of a wetting balance which can be easily interfaced to a microcomputer has made possible a practical receiving inspection solderability test for component leads…
Surface Mount Assembly in High Volume Manufacturing
L. MarquesThis paper reports on the planning, introduction, and implementation of surface mount technology (SMT) for printed circuit board assembly at Convergent Technologies. It is written…
LEITRON, Leiterplatten‐Electronic, GmbH & Co. KG, Schwäbisch Gmünd
Lorna CullenThe opportunity earlier this year to gain a more complete picture of production operations at the LEITRON printed circuit board manufacturing facility in the vicinity of…
Perstorp Electronics—Industrial Laminates Division Perstorp, Sweden
Lorna CullenDespite the April sunshine, the landscape in southern Sweden remained devoid of fresh Spring colours—the result of a prolonged and severe Winter—when Circuit World made the visit…
Pri‐Dana Elektronik, Hedensted, Denmark
Lorna CullenThe Jutland peninsula is the only part of Denmark attached to the continent of Europe, its Southern boundary constituting the Danish/German frontier. About one‐tenth of the…
Internepcon UK 85 8–10th October 1985
As it enters its 18th and final year in its traditional form, before 1986 heralds the splitting of the event into two separate shows (Production and Packaging), it is encouraging…
® Productronica 85 12–16 November
Originally a section of the Electronica Trade Fair, Productronia was first presented as a separate trade show for the manufacturing side of all kinds of electonic products in…
International institute news
The subject of the meeting on 20 June was ‘Numerically Controlled Routing’. Dave Dosier, of Paul Dosier Associates, explained how important it is to maximise programming and…
Industry news
Lyncolec Ltd of Leominster, Herefordshire, specialists in fast turnround small quantity PCB manufacturing, have announced the appointment of Graham Lee as Commercial Director. In…
New products
A single‐spindle drilling and routing machine for PCB manufacture is available from Instagraphic Products Ltd. Designated the CNC‐100R, the unit is extremely easy to operate and…
ISSN:
0305-6120Online date, start – end:
1974Copyright Holder:
Emerald Publishing LimitedOpen Access:
hybridEditor:
- Associate Professor Pooya Davari