Brody left Magnascreen in 1990 to form Active Matrix Associates, a consulting group, and over the period 1991-97 worked on a number of classified projects for DARPA . In 1998, in collaboration with two former Westinghouse colleagues, Bob Stapleton and Paul Malmberg, he invented a process for fabricating low-cost thin film electronic circuits by purely additive processes.
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Starting in 1968 with " 1 + 1 ", Philip Glass wrote a series of works that incorporated additive process ( form based on sequences such as 1, 1 2, 1 2 3, 1 2 3 4 ) into the repertoire of minimalist techniques; these works included " Two Pages ", " Music in Fifths ", " Music in Contrary Motion ", and others.
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Two of the most notable subsidiaries are its graphene business 2D-tech which it purchased from the University of Manchester in 2014 which has developed a patented high throughput method of graphene production and Versarien Technologies Ltd . which owns the exclusive rights to a patent-protected additive process for creating advanced micro-porous metals targeting the thermal management industry and manufactures extruded aluminium heat sinks for the electronics and computing industries.
