LANTHANUM FLUORIDE INFRARED TRANSMITTING OPTICAL ELEMENTS Export

@misc{citeulike:1390704, abstract = {This invention relates to optical elements and to methods for making optical elements. More particularly, this invention relates to methods for hot pressing transparent polycrystalline optical elements of various geometrical shapes under high pressures, temperatures and vacuum from lanthanum fluoride powder. These elements may be employed as windows in missiles and projectiles and related devices requiring such infrared refracting optics. These lanthanum fluoride windows are also useful as substrates for optical filters. Lanthanum fluoride windows produced by my process are very stable to thermal shock and temperature extremes and have desirable transmittance characteristics.}, author = {Carnall, Edward}, citeulike-article-id = {1390704}, citeulike-linkout-0 = {http://patft.uspto.gov/netacgi/nph-Parser?Sect2=PTO1&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&d=PALL&RefSrch=yes&Query=PN%2F3437724}, citeulike-linkout-1 = {http://www.google.com/patents?id=ait1AAAAEBAJ&dq=carnall}, day = {8}, journal = {United States Patent}, keywords = {fluoride, hot-press, patent, transparent\_ceramic}, month = {April}, posted-at = {2007-06-14 22:56:03}, priority = {2}, title = {LANTHANUM FLUORIDE INFRARED TRANSMITTING OPTICAL ELEMENTS}, url = {http://patft.uspto.gov/netacgi/nph-Parser?Sect2=PTO1&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&d=PALL&RefSrch=yes&Query=PN%2F3437724}, volume = {3437724}, year = {1969} }

TY - GEN ID - citeulike:1390704 L3 - citeulike-article-id:1390704 N2 - This invention relates to optical elements and to methods for making optical elements. More particularly, this invention relates to methods for hot pressing transparent polycrystalline optical elements of various geometrical shapes under high pressures, temperatures and vacuum from lanthanum fluoride powder. These elements may be employed as windows in missiles and projectiles and related devices requiring such infrared refracting optics. These lanthanum fluoride windows are also useful as substrates for optical filters. Lanthanum fluoride windows produced by my process are very stable to thermal shock and temperature extremes and have desirable transmittance characteristics. JF - United States Patent TI - LANTHANUM FLUORIDE INFRARED TRANSMITTING OPTICAL ELEMENTS VL - 3437724 KW - fluoride KW - hot-press KW - patent KW - transparent_ceramic AU - Carnall, Edward PY - 1969/04/08/ UR - http://patft.uspto.gov/netacgi/nph-Parser?Sect2=PTO1&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&d=PALL&RefSrch=yes&Query=PN%2F3437724 ER -