71.   The largest decliner was Waltham-based Summit Technology Inc., which makes medical devices using laser technology to treat vision disorders.

72.   The Middlefield-based company makes measuring devices designed to increase manufacturing yields in the high technology industry.

73.   The projection is the latest in a series of disappointments for Shiva, which makes devices that let employees outside the office tap into corporate computer networks.

74.   The other problem envisaged by Mahan is actually making the devices.

75.   The pacemaker-like devices are made by several companies, including Medtronics Inc., the Minnesota-based company that markets the Octopus.

76.   The Sony Corp. and Philips Electronics make the devices.

77.   The spectrophotometer may even tell where the device was made.

78.   This lets circuits run faster at lower voltages, which helps make devices such as laptop computers and cellular telephones more efficient.

79.   Today the device is made from plastic, Dehn said.

80.   Wednesday was a calling-all-lawyers day for the volatile segment of the microchip industry that makes memory devices for personal computers and other electronic products.