PrairieTek
PrairieTek was a hard drive manufacturer located in Longmont, Colorado in the late 1980s and early 1990s. It was founded by Terry Johnson in 1985. It manufactured 5 and 10 megabyte " ruggedized" miniature hard drives for the laptop computer market. Its PrairieTek 220 was the first hard drive, a potentially profitable move, but by the time the drive entered into mass production, its storage capacity was already low for the market. "PrairieTek's single disk 40MB model, potentially a cost-effective competitive product, was...late to market." Unlike many manufacturers of the time, PrairieTek did not rest the drive heads on the disks, but instead used reverse EMF (ElectroMagnetic Force) to park the drives on a spreader bar. At the time all manufacturers parked heads on the platters in an out of the way place. When the platters spun up, with the increasingly smooth surface of the platter, the heads had a tendency to stick to the surface (sticktion) which resulted in ripping them ...
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Terry Johnson (entrepreneur)
Terry Johnson (March 14, 1935 – July 24, 2010) was an engineer and entrepreneur notable for his pioneering work on hard disk drives (HDD). Johnson's early career included engineering and management roles in magnetic recording at IBM (1964–70) and Memorex (1971–73). He then joined in the development of STC 8000 Super Disk, a high-end, rotary actuator HDD funded by StorageTek. In 1980, he left StorageTek to found a startup, Miniscribe, a manufacturer of 5.25 inch HDDs. In 1985, he started another new company, CoData, that subsequently merged with Conner Peripherals in 1986. CoData's 3.5-inch drive became Conner's first product. In 1985, Johnson co-founded PrairieTek, the first maker of 2.5 inch drives. Terry Johnson died in the Northwest Territories, Canada, when his private aircraft crashed during his return from a canoe trip. Background Terry Johnson was born in Ogden, Utah, on March 14, 1935. On graduating high-school, he signed up for four years with the US Navy as an ...
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Longmont, Colorado
The City of Longmont is a home rule municipality located in Boulder and Weld counties, Colorado, United States. Longmont is located northeast of the county seat of Boulder and north-northwest of the Colorado State Capitol in Denver. Longmont's population was 98,885 as of the 2020 U.S. Census. Longmont is the 14th most populous city in the state of Colorado. Longmont is named after Longs Peak, a prominent mountain named for explorer Stephen H. Long that is clearly visible from Longmont, and "mont", from the French word "montagne" for mountain. History Longmont was founded in 1871 by a group of people from Chicago, Illinois. Originally called the Chicago-Colorado Colony, led by president Robert Collyer, the men sold memberships in the town, purchasing the land necessary for the town hall with the proceeds. As the first planned community in Boulder County, the city streets were laid out in a grid plan within a square mile. The city began to flourish as an agricultural commu ...
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Electronics Companies Disestablished In 1991
The field of electronics is a branch of physics and electrical engineering that deals with the emission, behaviour and effects of electrons using electronic devices. Electronics uses active devices to control electron flow by amplification and rectification, which distinguishes it from classical electrical engineering, which only uses passive effects such as resistance, capacitance and inductance to control electric current flow. Electronics has hugely influenced the development of modern society. The central driving force behind the entire electronics industry is the semiconductor industry sector, which has annual sales of over $481 billion as of 2018. The largest industry sector is e-commerce, which generated over $29 trillion in 2017. History and development Electronics has hugely influenced the development of modern society. The identification of the electron in 1897, along with the subsequent invention of the vacuum tube which could amplify and rectify small electri ...
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Electronics Companies Established In 1985
The field of electronics is a branch of physics and electrical engineering that deals with the emission, behaviour and effects of electrons using electronic devices. Electronics uses active devices to control electron flow by amplification and rectification, which distinguishes it from classical electrical engineering, which only uses passive effects such as resistance, capacitance and inductance to control electric current flow. Electronics has hugely influenced the development of modern society. The central driving force behind the entire electronics industry is the semiconductor industry sector, which has annual sales of over $481 billion as of 2018. The largest industry sector is e-commerce, which generated over $29 trillion in 2017. History and development Electronics has hugely influenced the development of modern society. The identification of the electron in 1897, along with the subsequent invention of the vacuum tube which could amplify and rectify small el ...
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Defunct Computer Hardware Companies
Defunct (no longer in use or active) may refer to: * ''Defunct'' (video game), 2014 * Zombie process or defunct process, in Unix-like operating systems See also * * :Former entities * End-of-life product * Obsolescence Obsolescence is the state of being which occurs when an object, service, or practice is no longer maintained or required even though it may still be in good working order. It usually happens when something that is more efficient or less risky r ...

Defunct Computer Companies Of The United States
Defunct (no longer in use or active) may refer to: * ''Defunct'' (video game), 2014 * Zombie process or defunct process, in Unix-like operating systems See also * * :Former entities * End-of-life product * Obsolescence Obsolescence is the state of being which occurs when an object, service, or practice is no longer maintained or required even though it may still be in good working order. It usually happens when something that is more efficient or less risky r ...

Defunct Companies Based In Colorado
Defunct (no longer in use or active) may refer to: * ''Defunct'' (video game), 2014 * Zombie process or defunct process, in Unix-like operating systems See also * * :Former entities * End-of-life product * Obsolescence Obsolescence is the state of being which occurs when an object, service, or practice is no longer maintained or required even though it may still be in good working order. It usually happens when something that is more efficient or less risky r ...

Computer Storage Companies
A computer is a machine that can be programmed to carry out sequences of arithmetic or logical operations (computation) automatically. Modern digital electronic computers can perform generic sets of operations known as programs. These programs enable computers to perform a wide range of tasks. A computer system is a nominally complete computer that includes the hardware, operating system (main software), and peripheral equipment needed and used for full operation. This term may also refer to a group of computers that are linked and function together, such as a computer network or computer cluster. A broad range of industrial and consumer products use computers as control systems. Simple special-purpose devices like microwave ovens and remote controls are included, as are factory devices like industrial robots and computer-aided design, as well as general-purpose devices like personal computers and mobile devices like smartphones. Computers power the Internet, which links bil ...
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Computer Companies Disestablished In 1991
A computer is a machine that can be programmed to Execution (computing), carry out sequences of arithmetic or logical operations (computation) automatically. Modern digital electronic computers can perform generic sets of operations known as Computer program, programs. These programs enable computers to perform a wide range of tasks. A computer system is a nominally complete computer that includes the Computer hardware, hardware, operating system (main software), and peripheral equipment needed and used for full operation. This term may also refer to a group of computers that are linked and function together, such as a computer network or computer cluster. A broad range of Programmable logic controller, industrial and Consumer electronics, consumer products use computers as control systems. Simple special-purpose devices like microwave ovens and remote controls are included, as are factory devices like industrial robots and computer-aided design, as well as general-purpose devi ...
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Computer Companies Established In 1985
A computer is a machine that can be programmed to carry out sequences of arithmetic or logical operations ( computation) automatically. Modern digital electronic computers can perform generic sets of operations known as programs. These programs enable computers to perform a wide range of tasks. A computer system is a nominally complete computer that includes the hardware, operating system (main software), and peripheral equipment needed and used for full operation. This term may also refer to a group of computers that are linked and function together, such as a computer network or computer cluster. A broad range of industrial and consumer products use computers as control systems. Simple special-purpose devices like microwave ovens and remote controls are included, as are factory devices like industrial robots and computer-aided design, as well as general-purpose devices like personal computers and mobile devices like smartphones. Computers power the Internet, which l ...
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Companies That Filed For Chapter 11 Bankruptcy In 1991
A company, abbreviated as co., is a legal entity representing an association of people, whether natural, legal or a mixture of both, with a specific objective. Company members share a common purpose and unite to achieve specific, declared goals. Companies take various forms, such as: * voluntary associations, which may include nonprofit organizations * business entities, whose aim is generating profit * financial entities and banks * programs or educational institutions A company can be created as a legal person so that the company itself has limited liability as members perform or fail to discharge their duty according to the publicly declared incorporation, or published policy. When a company closes, it may need to be liquidated to avoid further legal obligations. Companies may associate and collectively register themselves as new companies; the resulting entities are often known as corporate groups. Meanings and definitions A company can be defined as an "artificial per ...
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American Companies Established In 1985
American(s) may refer to: * American, something of, from, or related to the United States of America, commonly known as the "United States" or "America" ** Americans, citizens and nationals of the United States of America ** American ancestry, people who self-identify their ancestry as "American" ** American English, the set of varieties of the English language native to the United States ** Native Americans in the United States, indigenous peoples of the United States * American, something of, from, or related to the Americas, also known as "America" ** Indigenous peoples of the Americas * American (word), for analysis and history of the meanings in various contexts Organizations * American Airlines, U.S.-based airline headquartered in Fort Worth, Texas * American Athletic Conference, an American college athletic conference * American Recordings (record label), a record label previously known as Def American * American University, in Washington, D.C. Sports teams Soccer * Ba ...
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