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| == History ==
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| === Philips ===
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| According to Photonis, the opening of a new manufacturing facility of Philips in 1937 can be seen as the main origin of the company.<ref name=":1">https://www.photonis.com/our-company/our-history</ref> As WWII was looming over Europe, the Dutch electronics company chose Brive-la-Gaillarde in the southwest of France as a new manufacturing location for microwave tubes and other electrical components.<ref name=":0">https://www.lamontagne.fr/brive-la-gaillarde-19100/economie/il-y-a-80-ans-philips-sinstallait-le-long-de-la-correze-pour-fabriquer-des-tubes-demission_12728967/</ref>
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| Philips Brive continued growing after WWII, even working on radar and nuclear power projects, cooperating with Laboratoire d'Electrophysique de Paris (LEP).<ref name=":0" />
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| In 1960, the factory was flooded, taking two years to build a new factory.<ref name=":1" /><ref name=":0" />
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| In 1963, Philips Brive becomes Hyperelec, remaining a subsidiary of Philips.<ref name=":1" /><ref>https://apps.dtic.mil/sti/pdfs/ADA348941.pdf</ref> New products included cathode ray tubes comissioned for the French Atomic Energy Comission and [https://www.nv-intl.com/wiki/index.php/Microchannel%20Plate%20(MCP) microchannel] wafers.
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| On January 1st. 1986, Hyperelec, together with RTC la Radiotechnique-Compelec and Cima become RTC-Compelec<ref>https://www.archivesportaleurope.net/advanced-search/search-in-archives/results-(archives)/?&repositoryCode=FR-FRAD027&levelName=archdesc&t=fa&recordId=AD02700AP_000000091</ref><ref group="Note">Hyperelec still is a company located in Brive today, with the history being unclear.</ref>, with Philips still being a majority shareholder<ref>https://de.wikibrief.org/wiki/Radiotechnique</ref>. In December 1988, RTC-Compelec changed its name to RTC Philips Composants, in 1990 to Philips Composants, and in 1994 to Philips Photonique.
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| In 1998, the Brive branch of Philips becomes an independent company, Photonis.
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| === Burle Industries ===
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| In 1942, a new facility manufacturing microwave and radio tubes for the U.S. Navy, operated by the RCA Corporation, called Burle is opened in Lancaster, PA, U.S.A.<ref name=":3">https://www.relltubes.com/Burle#1</ref> It is acquired by the RCA Corporation in 1946. In 1968, RCA is acquired by the General Electric Company. As part of that process, the Burle facility is sold off. Subsequently Burle Industries Inc. is founded through a management buyout in July 1987.<ref name=":3" />
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| In 1998, Burle opened a second facility in Matamoros, Mexico, to manufacture vacuum tube assemblies.
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| In 1999, Burle Industries purchases the scientific detector products business (including [[Microchannel Plate (MCP)|MCP]] technology) from Galileo Corp. The newly acquired facilities are located in Sturbridge, MA, U.S.A.
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| === Delft Electronic Products BV ===
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| In 1970, the company Delft Electronic Products, BV (DEP) is opened in Roden, Netherlands, manufacturing image intensifiers.<ref name=":1" />
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| === Photonis ===
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| In 2005, Photonis Technologies SAS, also called Photonis Group, was formed from merger of Delft Electronic Products BV, Burle Industries and Photonis.<ref name=":1" /> Both Delft and Burle become subsidiaries of Photonis Group, based in the Lancaster facility in the U.S.A and the Roden facility in the Netherlands, respectively.<ref>https://indico.cern.ch/event/46144/sessions/177795/attachments/949759/1347567/presentation_photonis_feb_2008.pdf</ref>
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| In the same year, Photonis establishes Photonis USA, based in the Sturbridge facility, a subsidiary of Burle Industries. The facility in Matamoros is renamed to PHOTONIS Mexico.
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| In 2009, Photonis transferred some of their production technology to Chinese buyers.<ref name=":0" />
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| In 2011, Burle Industries becomes Photonis USA Pennsylvania.<ref name=":1" />
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| In September 2011 Photonis is acquired by AXA Private Equity (now Ardian) through a leveraged buyout.<ref>https://growthbusiness.co.uk/photonis-sold-to-axa-private-equity-for-second-time-7766/</ref>
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| Photonis USA, Inc. based in the Sturbridge facility later becomes Photonis Scientific.
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| In July 2021, Ardian sells Photonis to HLDGroup.<ref>https://www.canaccordgenuity.com/capital-markets/transactions/2021/july/hld-group_july-2021/</ref>
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| In December 2022 Photonis acquires the Belgian company Xenics, a manufacturer of Short Wave InfraRed (SWIR) imagers.<ref>https://www.photonis.com/news/photonis-announces-agreement-acquire-xenics</ref>
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| In April 2023 Photonis acquires Germany company ProxiVision, a manufacturer of ultra-violet detectors.<ref>https://www.photonis.com/news/photonis-announces-agreement-acquire-proxivision</ref>
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| In July 2023 Photonis acquires the Israeli company El-Mul, a manufacturer of advanced charged particle detectors and devices.<ref>https://www.photonis.com/news/photonis-announces-acquisition-el-mul</ref>
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| In September 2023 the company rebranded from Photonis Group to Exosens, with Photonis remaining the brand name of their night vision products. <ref>https://www.photonis.com/news/photonis-group-becomes-exosens</ref>
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| ==Company Structure==
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| Today, Exosens S.A.S has a single subsidiary, Photonis France SAS.<ref name=":2">https://g.co/kgs/H7btjW</ref>
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| Photonis France SAS in turn has the following subsidiaries:<ref name=":2" />
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| *Photonis USA Pennsylvania
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| *Brennel Glass Ltd.
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| *Photonis Scientific
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| *MicroOLED S.A.S.
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| *Photonis-DEP B.V.
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| **Hi-Light Opto Electronics B.V.
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| *Antheryon Optics
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| *Xenics nv
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| **Xenics U.S.A. Inc.
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| [[File:Green Phosphor Chickens.jpg|thumb]] | | [[File:Green Phosphor Chickens.jpg|thumb]] |
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| References
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| <references />Notes
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| <references group="Note" />
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