Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,407 pages of information and 233,521 images on early companies, their products and the people who designed and built them.
1962 Formation of Associated Semiconductor Manufacturers by Mullard (the valve making arm of Philips) and GEC to combine the semiconductor (ie transistor) development and production facilities of the 2 companies; Mullard owned two-thirds of the company
1967 The company was quite late in entering the market for micro-circuits. Announced development of EECL integrated circuits under the Mullard brand which would be made by Westinghouse Corporation in USA. ASM had factory at Southampton making DTL and TTL circuits