Xov xwm
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23 Qhov Zoo Tshaj Sapphire Kev Sib Koom Rings
Yog tias koj yog hom nkauj nyab tab tom nrhiav ua txhaum kev lig kev cai nrog koj lub nplhaib sib koom tes, lub nplhaib sib koom tes sapphire yog ib txoj hauv kev zoo kawg nkaus ua li ntawd. Nrov nrov los ntawm Ntxhais fuabtais Diana hauv xyoo 1981, thiab tam sim no Kate Middleton (uas hnav lub nplhaib ua koob tsheej lig), sapphires yog qhov kev xaiv zoo rau cov hniav nyiaj hniav kub. ...Nyeem ntxiv -
Sapphire: Lub Cuaj Hli Ntuj yug los ntawm ntau xim
Lub Cuaj Hli Ntuj Hnub yug Lub Cuaj Hli Ntuj yug, lub sapphire, yog ib tug txheeb ze ntawm lub Xya hli ntuj lub birthstone, lub ruby. Ob leeg yog cov ntaub ntawv ntawm cov ntxhia corundum, ib daim ntawv crystalline ntawm txhuas oxide. Tab sis liab corundum yog ruby. Thiab tag nrho lwm lub pov haum zoo ntawm corundum yog sapphires. Tag nrho cov corundum, suav nrog sapp ...Nyeem ntxiv -
Ntau pob zeb diamond vs gemstone polychromy! Kuv ruby tig txiv kab ntxwv thaum saib ntsug?
Nws kim dhau los yuav ib lub pov haum! Kuv puas tuaj yeem yuav ob lossis peb qhov sib txawv xim gemstones rau tus nqi ntawm ib? Cov lus teb yog yog tias koj nyiam lub pov haum yog polychromatic - lawv tuaj yeem qhia koj cov xim sib txawv ntawm cov ces kaum sib txawv! Yog li dab tsi yog polychromy? Ua polychromatic gemstones txhais tau tias ...Nyeem ntxiv -
Femtosecond titanium gemstone lasers muaj cov ntsiab lus tseem ceeb ntawm kev ua haujlwm
Femtosecond laser yog lub laser uas ua haujlwm hauv pulses nrog lub sijhawm luv luv (10-15s) thiab lub zog siab. Nws tsis tsuas yog ua kom peb tau txais kev daws teeb meem ultra-short lub sijhawm tab sis kuj, vim nws lub zog siab tshaj plaws, nws tau tsim muaj ntau yam kev lag luam. Lub femtosecond titanium...Nyeem ntxiv -
Lub hnub qub nce ntawm peb tiam semiconductor: Gallium nitride ob peb qhov kev loj hlob tshiab nyob rau yav tom ntej
Piv nrog rau cov khoom siv silicon carbide, cov khoom siv hluav taws xob gallium nitride yuav muaj qhov zoo dua hauv cov xwm txheej uas qhov ua tau zoo, zaus, ntim thiab lwm yam yuav tsum tau ua nyob rau tib lub sijhawm, xws li gallium nitride raws li cov khoom siv tau ua tiav app ...Nyeem ntxiv -
Txoj kev loj hlob ntawm domestic GaN kev lag luam tau nrawm
Gallium nitride (GaN) fais fab khoom siv tau loj hlob zuj zus, coj los ntawm Suav cov neeg siv khoom siv hluav taws xob, thiab kev ua lag luam rau cov khoom siv hluav taws xob GaN xav kom ncav cuag $ 2 nphom los ntawm 2027, nce ntawm $ 126 lab hauv 2021. Tam sim no, cov neeg siv khoom siv hluav taws xob yog lub ntsiab tsav tsheb ntawm gallium ni ...Nyeem ntxiv -
Sapphire siv lead ua kev loj hlob khoom lag luam saib xyuas
Sapphire siv lead ua yog cov khoom siv tseem ceeb hauv kev lag luam niaj hnub no. Nws muaj cov khoom siv kho qhov muag zoo heev, cov khoom siv kho qhov muag thiab tshuaj lom neeg ruaj khov, siab zog, hardness thiab corrosion kuj. Nws tuaj yeem ua haujlwm ntawm qhov kub siab ntawm ze li ntawm 2,000 ℃, thiab muaj g ...Nyeem ntxiv -
Lub sij hawm ntev ruaj khov ntawm 8inch SiC ceeb toom
Tam sim no, peb lub tuam txhab tuaj yeem muab cov khoom me me ntawm 8inchN hom SiC wafers, yog tias koj muaj cov qauv xav tau, thov koj xav tiv tauj kuv. Peb muaj qee cov qauv wafers npaj xa tuaj. ...Nyeem ntxiv