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The need for a single standard for cleanroom classification and testing was long felt. After ANSI and IEST petitioned to ISO for new standards, the first document of ISO 14644 was published in 1999, ISO 14644-1. [1] In 2000, ISO 14644-2 was published, which began the process of FED-STD-209E being canceled.
A cleanroom or clean room is an engineered space that maintains a very low concentration of airborne particulates. It is well isolated, well controlled from contamination , and actively cleansed. Such rooms are commonly needed for scientific research and in industrial production for all nanoscale processes, such as semiconductor manufacturing.
The company is wholly owned by Keystone Holdings LLC, a trust of the Coors family. John K. Coors , [ 2 ] a great-grandson of founder and brewing magnate Adolph Coors Sr. , and the fifth and youngest son of longtime chairman and president Joseph Coors , retired as president and chairman in January 2020 after 22 years.
The cleanroom software engineering process is a software development process intended to produce software with a certifiable level of reliability. The central principles are software development based on formal methods, incremental implementation under statistical quality control, and statistically sound testing.
Although the clean-room approach had been used as preventative measure in view of possible litigation before (e.g. in the Phoenix BIOS case), the NEC v. Intel case was the first time that the clean-room argument was accepted in a US court trial. A related aspect worth mentioning here is that NEC did have a license for Intel's patents governing ...
The Keystone Camera Company was an American manufacturer of consumer photographic equipment that began in 1919 in Boston. [1] Notable products were Movie cameras, 126 and 110 cameras with built-in electronic flash (the "Everflash" series). In the 1930s, the firm built low cost 16mm cameras that are still in use today.
The Keystone Pipeline oil spill occurred on December 7, 2022, when a leak in the Keystone Pipeline released 13 [1],000 barrels of oil into a creek in Washington County, Kansas. [2] The leak is the largest in the United States since the 2013 North Dakota pipeline spill and the largest in the history of the Keystone Pipeline. [3] [4] [5]
The Keystone-Cushing pipeline phase connected the Keystone pipeline (phase 1) in Steele City, Nebraska, south through Kansas to the oil hub and tank farm in Cushing, Oklahoma, a distance of 468 kilometres (291 mi) long. It was constructed in 2010 and went online in February 2011.