Log In Register Now Help Home Page Today's Paper Video Most Popular Edition: U.S. / Global close editionToggle Search All NYTimes.com Business Day World U.S. N.Y. / Region Business Technology Science Health Sports Opinion Arts Style Travel Jobs Real Estate Autos close searchWidget close column DealBook Markets Economy Energy Media Technology Personal Tech Entrepreneurship Your Money close column close subNavigation open abColumn cur: prev: By DAVID E. SANGER Published: April 18, 1986 After years of development battles, reams of scientific papers and another round of Japanese-American competition in electronics, the era of the megabit chip - a computer memory chip capable of storing one million bits of information - has begun. Yesterday, the International Business Machines Corporation ...