KrF

KrF is an acronym that can refer to more than one topic. The two most common usages are the Norwegian political party Kristelig Folkeparti and the scientific term krypton fluoride used in excimer lasers.

Kristelig Folkeparti, commonly abbreviated KrF, is a Christian democratic political party in Norway. Founded in 1933, it emphasizes Christian democratic values, family policy, social welfare, human rights, and ethical considerations in public life. It has been represented in the Norwegian Parliament (Storting) and has participated in coalition governments at the national level, serving as a partner in government at various times. The party aims to balance individual liberty with social responsibility and often positions itself as a centrist alternative to larger parties.

Krypton fluoride, abbreviated KrF, refers to a diatomic molecule of krypton and fluorine used in krypton fluoride excimer lasers. The KrF excimer laser produces ultraviolet light with a wavelength around 248 nanometers and is generated by pulsed electrical discharge in a gas mixture containing krypton and fluorine (often with a buffer gas). Lasing occurs from excimer states and is used in applications such as semiconductor photolithography, micromachining, and materials processing. The technology has played a role in the evolution of deep ultraviolet lithography, though it has largely been supplanted for many applications by shorter-wavelength excimer lasers and solid-state sources.