Alpha Microsystems, the Santa Ana manufacturer of...

Alpha Microsystems, the Santa Ana manufacturer of computer hardware and software, reported third-quarter earnings of $39,000, or 1 cent per share, contrasted with a net loss of $868,000, or 31 cents per share, for the same period in 1990. Sales for the quarter ended Nov. 24 fell 8.7% to $12.5 million from $13.7 million. For the nine-month period, the company earned $278,000, or 9 cents per share, contrasted with a loss of $4.5 million, or $1.59 a share, a year earlier. Sales were $36.9 million, down from $40.7 million a year earlier.