Sensor firm Synaptics will benefit from rising adoption of biometric user authentication systems in coming years, according to analysts.Cowen analyst Robert Stone wrote in a report on Tuesday that Synaptics stock deserved a outperform rating, while raising his price target to 115 from 105. Synaptics stock hit a record high of 97.57 on Friday and is up 38% this year.Cowen's mid-year spending survey found that 90% of respondents plan to deploy biometric user authentication.Of the 95 respondents in its survey, 28% are already deploying biometric authentication, 41% plan to do so within one year, 14% in 12-24 months and 7% beyond 24 months, Stone said. Fewer than 10% of respondents have no current plans to deploy biometric readers, he said.Microsoft's Windows 10 operating system, which will support biometric authentication, should help with adoption of the technology, Stone said. Some 51% of respondents plan to deploy the latest Microsoft operating system within a year. Microsoft is slated to release Windows 10 this summer.Of those planning to deploy Windows 10 within one year, 90% also are implementing biometrics now or within a year.In April, Synaptics' CEO Richard Bergman confirmed that the firm's latest small area touch fingerprint sensor features on the Samsung Galaxy S6.Speaking on a call to discuss Q3 2015 results, Bergman said: “During the quarter, we announced our small area touch fingerprint sensor, which I'm pleased to confirm is now available worldwide on the Samsung Galaxy S6 and Edge smartphones”.