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24-401: II-VI may refer to: II-VI Incorporated , a manufacturer of optical materials and semiconductors II-VI semiconductor compound , a material composed of a metal from either group 2 or 12 of the periodic table and a nonmetal from group 16 Topics referred to by the same term [REDACTED] This disambiguation page lists articles associated with

48-401: A handful of a larger group who accompanied them on the trans-Atlantic journey, bought 1,582 acres (6.40 km ) of land on October 28, 1831, from Mrs. Sarah Collins. After a few years, Roebling left farming to return to his career as an engineer. He developed a way to produce wire rope or cable, and used it in several of his projects, beginning with an aqueduct. He produced the wire rope at

72-516: A total area of 0.89 square miles (2.3 km ), all land. As of the 2000 census , there were 1,629 people, 655 households, and 391 families residing in the borough. The population density was 1,852.8 inhabitants per square mile (715.4/km ). There were 713 housing units at an average density of 811.0 per square mile (313.1/km ). The racial makeup of the borough was 99.32% White, 0.25% African American, 0.31% from other races, and 0.12% from two or more races. Hispanic or Latino of any race were 1.53% of

96-733: A workshop on his property in Saxonburg. He designed several suspension bridges, including two in Pittsburgh and one in Philadelphia . His most famous is his Brooklyn Bridge in New York . The Roebling Museum in the borough maintains several artifacts of his notable career. In November 1920, KDKA radio , regarded as the world's first commercial radio station, began broadcasting from East Pittsburgh . Later it located its transmitter in neighboring Clinton Township of Butler County. While

120-545: Is located in southeastern Butler County at 40°45′15″N 79°48′56″W  /  40.75417°N 79.81556°W  / 40.75417; -79.81556 (40.754040, −79.815619). Butler , the county seat, is 9 miles (14 km) to the northwest, and Freeport , on the Allegheny River , is 10 miles (16 km) to the southeast. According to the United States Census Bureau , Saxonburg has

144-401: The 12-year incumbent. She is both the city's first Democratic and first female mayor. While in office, Mayor Pflueger had the position of Police Chief reinstated in the small city. Pflueger was succeeded by Pamela Bauman in 2013, who died in office. William Gillespie was elected in a special election to complete the remainder of Bauman's term. As of 2023, Gillespie remains in office. Saxonburg

168-496: The 2000s have included Laser Power Optics in 2000; Marlow Industries in 2004; HIGHYAG (75% in 2007 and the remaining 25% in 2013); Photop Technologies in 2010; Oclaro's Santa Rosa, California, optics coating facility in 2012; Anadigics and EpiWorks in 2016; and Integrated Photonics in 2017. The acquisition of Avalon Photonics, Anadigics, and EpiWorks allowed II-VI to increase its production of vertical-cavity surface-emitting lasers (VCSELs), important to 3D sensing technology; and

192-463: The FBI and police to his remains buried in the yard of her Massachusetts house. He died in 1999 after a series of strokes, at the approximate age of 68. The first murder occurred in 1849. Christina Foertsch, sister of Albert and Wilbert Foertsch, killed Adele, Wilbert's three-year-old daughter, before killing herself. In November 2009, Jody Pflueger was elected as mayor as a write-in candidate, defeating

216-414: The acquisition of Finisar Corporation in 2019 brought to II-VI Finisar's high volume 3DS VCSELs indium phosphide (InP) platform and its experience in integrating InP lasers with optics and electronics in transceivers. Acquisitions of INNOViON, Ascatron, and some of GE's patents have expanded its business in silicon carbide substrates. In 2022, II-VI acquired laser manufacturer Coherent, Inc. . and took

240-532: The air on micropower levels throughout Saxonburg on AM 1620 and FM 100.3 under FCC Part 15 rules. In 1946, Fred Seitz, head of the physics department at Carnegie Tech , recruited Ed Creutz , Jack Fox , Roger Sutton and Bert Corben to the university to develop an important nuclear physics research program. By June 6, 1946, they had built a leading-edge, 450 MeV proton synchrocyclotron at the Nuclear Research Center near Saxonburg, just south of

264-408: The average family size was 2.75. In the borough the population was spread out, with 16.8% under the age of 18, 5.9% from 18 to 24, 21.9% from 25 to 44, 21.0% from 45 to 64, and 34.4% who were 65 years of age or older. The median age was 50 years. For every 100 females, there were 72.4 males. For every 100 females age 18 and over, there were 69.0 males. The median income for a household in the borough

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288-439: The city limits. The research program flourished up to the mid-1970s. By then the accelerator had become obsolete and was dismantled. The site was converted to industrial purposes, and is now occupied by II-VI Corporation . As of 1997, only one or two of the original Nuclear Research Center buildings remained intact, including the original laboratory building. On the afternoon of December 4, 1980, career criminal Donald Eugene Webb

312-739: The company's third CEO. In November 2021, Kramer transitioned from chair to Chair Emeritus, and Mattera was named chair and CEO. In February 2024, Coherent announced that Mattera would retire, remaining in place until a successor is named. Jim Anderson was named CEO in early June of 2024. He was formerly with Lattice Semiconductor Corporation ( LSCC ) Coherent Corp. is headquartered in Saxonburg, Pennsylvania , located north of Pittsburgh in Butler County . The company has R&D, manufacturing, sales, service, and distribution facilities in 130 locations worldwide. The Saxonburg headquarters site

336-531: The funds raised by the IPO allowed II-VI to expand its zinc selenide manufacturing capacity. In the 1990s, the company began to grow both on its own and through acquisitions. It purchased Litton Systems' silicon carbide group from Northrop Grumman in the 1990s, Virgo Optics in 1995, and Lightning Optical Corporation in 1996, among others. The combination of Virgo and Lightning created II-VI's VLOC division for developing one-micron solid-state lasers. Acquisitions in

360-421: The name Coherent Corp. Carl Johnson served as II-VI's first CEO from 1985 to 2007. He stepped down as CEO in 2007 and was named chairman of the board, a position he held until 2014. Johnson was succeeded as CEO by Francis Kramer, who had been president since 1985. Kramer followed Johnson as chair in 2014, in addition to his duties as CEO, and continued as chair in 2016 when Vincent D. (Chuck) Mattera, Jr., became

384-405: The population. There were 655 households, out of which 22.7% had children under the age of 18 living with them, 47.8% were married couples living together, 10.4% had a female householder with no husband present, and 40.2% were non-families. 35.3% of all households were made up of individuals, and 17.3% had someone living alone who was 65 years of age or older. The average household size was 2.13 and

408-455: The title II-VI . If an internal link led you here, you may wish to change the link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=II-VI&oldid=998816280 " Category : Disambiguation pages Hidden categories: Short description is different from Wikidata All article disambiguation pages All disambiguation pages II-VI Incorporated Coherent

432-555: The transmitter facility is no longer in Butler County, artifacts of it remain on display at the Saxonburg Museum, co-located with Roebling Park. Saxonburg's radio history continues with an internet-based radio station, saxonburgradio.com. The station, which is privately owned, has served the borough and surrounding southern Butler County with music and local news since October 25, 2015. The station also broadcasts over

456-569: The years. Saxonburg, Pennsylvania Saxonburg is a borough in Butler County, Pennsylvania , United States. It is part of the Greater Pittsburgh area in Western Pennsylvania . It was founded in 1832 by F. Carl Roebling and his younger brother John as a German farming colony. The population of Saxonburg was 1,525 as of the 2010 census. The city was first named "Germania" and "Sachsenburg" before its name

480-547: Was Anglicized to the present one. After Roebling returned to his engineering career, he developed his innovation of wire rope in a workshop here. He became known for his design of suspension bridges, including the most famous one, the Brooklyn Bridge in New York. Founded in 1832 by Friedrich Carl Roebling and his younger brother John A. Roebling , the frontier farming community was initially called "Germania". This

504-481: Was changed to "Sachsenburg" and later anglicized to Saxonburg. Roebling had emigrated with his brother Carl and a group of pioneers from Prussia (Germany) in 1831 to flee political unrest and oppression. (Doubtful quite from the Great Bridge by David McCullogh published 1972 "He was seeking neither religious freedom nor release from the bondage of poverty.His quest was for something else".) The two men, along with

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528-480: Was founded as II-VI Incorporated in 1971 by Carl Johnson and James Hawkey. The name "II-VI" is a reference to the groups II and VI in the periodic table , since the company started its business by producing cadmium telluride ( cadmium belongs to group II and tellurium belongs to group VI ). The company's first products included lenses, windows, and mirrors for CO 2 lasers . The company held its initial public offering in 1987. According to Carl Johnson,

552-474: Was once the property of KDKA , the world's first commercially licensed radio station, and some of the original structures are still there. In the 1940s, the site was expanded by the Carnegie Institute of Technology and the U.S. Nuclear Regulatory Commission to become a 400 MeV synchrocyclotron research facility. II-VI acquired the property around 1978 and has further expanded the facility over

576-638: Was the chief suspect in the murder of the borough police chief Gregory Adams at the Agway in Saxonburg. This was the second homicide in the borough's nearly 150-year history and received national attention, especially as Webb was never apprehended. Webb was put on the FBI Most Wanted List , but was never captured. After the FBI found new evidence in her house in 2016, in July 2017, his wife Lillian Webb confessed to hiding her husband for 17 years, and led

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