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捷克Delong Instruments
捷克DELONG INSTRUMENTS 前身是捷克國家科學院下屬機構，以精密加工技術、真空技術、電子發射槍技術及電子探測技術等電鏡技術著稱，其業務集中于生產大型科學儀器及其配件，主要業務之一就是為PHILIPS、LEO、FEI 等大型電鏡商生產OEM 電鏡，涵蓋真空系統、高壓發生器、電子槍、電子探測、控制線路等等整套電鏡系統。因此捷克DELONG INSTRUMENTS 在電鏡制造技術上是世界領先的。

桌上型低壓透射電鏡（LVEM5）是捷克DELONG INSTRUMENTS 在2000 年前后為開拓自己的電子顯微鏡市場而研發的，在5KV 低壓/小型化下實現超高的性能/多樣應用，是集中其各方面電鏡領先技術而設計出來的。

低壓桌上型電鏡（LVEM5）近年在歐美已有一定市場，主要集中于高端生命科學/材料科學研究機構，已被高端用戶所接受。現在的市場方針將調整為全面向用戶推廣，包括大學生命科學/材料科學研究機構、醫學中心、制藥/病理等等。

DELONG INSTRUMENTS is a company engaged mainly in electron and X-ray microscopy and vacuum technology.
DELONG INSTRUMENTS activity covers research, development, manufacturing, assembling and testing of various physical instruments including control electronics and software.
DELONG INSTRUMENTS offers its own products, but mainly serves as a contract developer of unique custom made devices.
DELONG INSTRUMENTS collaborates with world famous companies and has a long-term experience with joint projects.

Development and manufacturing activities

Design and Engineering Services,
Electron Optics and X-ray Instruments,
Vacuum Chambers and Components,
ION Pumps and Power Supplies,
Motion Systems,
Medical Instruments,
Control Systems for Flying Vehicles.