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Aviation History
1960
1960 - 1574.PDF
82 FLIGHT 2 SEPTEMB I960 DE-ICING ELEMENTS PLATED-THROUGH HOLES '.'•'"* TAPE-CABLE THERMO-COUPLES TEMPERATURE SENSING ELEMENTS STRAIN GAUGES FLUSH BONDED CIRCUITS SWITCHES, RESISTORS, INDUCTORS CHEMICAL MILLING FLIGHT DESIGN ADVANCES WITH TECHNOGRAPH PRINTED-CIRCIIT PROCESSES In many industrial processes, long runs with the attendant advantages of economyand accuracy are the features by which TECHNOGRAPH Printed Circuits are recognised. Applied to the Aircraft Industry, however, there emerge otherconsiderations. Basically, these comprise the ability to produce printed circuits for highly specialised equipment to be used in exceptionally severe conditions.Furthermore, the processes available frequently permit the improvement of existing •designs as well as overcoming hitherto insoluble problems. The use of TECHNO-GRAPH processes is already firmly established in the following ways: RESISTORS — Integrated within the printed circuits, these can be produced to precise tolerances within ±0.1% or ± 1 % if desired. Stable under wide temperature variations. OTHER TECHNOGRAPH PROCESSES of importance to the Aircraft Industry include Thermo-couples, Strain Gauges, Temperature Sensing Elements, Flush Bonded THERMAL DE - ICING ELEMENTS — developed to accommodate complex geometric surfaces for the control of temperature in positions subject to severe icing. PRINTED CIRCUITS — for radio and radar, instruments and electrical equipment in the air and on the ground. PLATED-THROUGH HOLES — for improved reliability, high component density and ability to withstand repeated component servicing. TAPE CABLE — Single or multiple channels in abrasive- resistant sealed cableform. A high degree of flexibility is maintained under conditions of continuous movement within a range of —70° C. to 140° C. An 80% reduction in space and weight is possible. Circuits and Chemical Milling. TECHNOGRAPH processes are constantly being originated, developed and improved. They lend themselves admirably to the demands of an industry where progress is swift and standards meticulous. TECHNOGRAPH consultants can be of considerable help, too, by suggesting processes and designs where other methods may not suit. AT THE S.B.A.C. EXHIBITION, STAND No. 151 TECHNOGRAPH ELECTRONIC PRODUCTS LTD. FIEET, ALDERSHOT, Telephone: Fhst 1414-7 London Office & Technical Showroom: Eros House, 29-31 Regent Street, London.W. 1 RECnt 5273'
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