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美國J.A.Woollam
J.A.Woollam公司于1987年由Woollam教授等創辦。公司是由內布拉斯加州立大學的科研成果為基礎衍生而來的專業生產光譜型橢圓偏振測量儀的廠商，公司研發、生產多種不同規格型號的橢偏儀，沒有與橢偏儀無關的產品。
J.A.Woollam公司擁有超過100項的橢偏專利技術，確保公司的技術一直處于領先地位。已有2000多套橢圓儀已被安裝到世界各地，廣泛應用于各種領域的科研與生產當中。
專業的應用團隊為用戶提供一流的技術支持，從硬件到軟件，從樣品制備到建模分析，我們都會有最佳的建議帶給用戶。
The J.A. Woollam Company was founded in 1987 by Dr. John A. Woollam. Starting as a spin-off from the University of Nebraska, the J.A. Woollam Company has rapidly grown to become a worldwide leader in spectroscopic ellipsometry. We have been perfecting our technology for over 20 years and have secured over 100 patents.

The company employs more than 45 people, the majority of whom are engineers and scientists dedicated to the advancement of ellipsometry. We pride ourselves on the quality and workmanship of our products. Each system we sell is hand-assembled using custom- machined aluminum and high quality optics and electronics.
 

The J.A. Woollam Co. is located in the Cotswold Building, in the Historic Haymarket Area. This unique building erected in 1925 underwent an extensive renovation in 1996. The J.A. Woollam Co. has been located here since 1996 and occupies 35,400 square feet.