Rudolph Technologies Inc., which makes equipment for chip manufacturers, has purchased assets of the Yield Dynamics software business from MKS Instruments, which makes devices for measuring things like gases during the manufacturing of semiconductors and other equipment.
A news release announcing the deal Wednesday did not disclose its terms.
The deal includes assets and property related to MKS yield management software. It also means about 35 employees, based mainly in China, will join Rudolph.
Rudolph does not expect the deal to have any material impact on its operations or its forecasts for the rest of the year.
Shares of Rudolph fell 47 cents,or 5.2 percent to $8.53 on Wednesday while shares of MKS Instruments fell 91 cents or 4.5 percent to $19.53.