25/08/08Mukufungidzira kwemaindasitiri nesainzi, kubata zvinhu zvinomhanya-mhanya pasi pemamiriro emwenje-pasi kunopa dambudziko rinogara riripo. Ndipo panopindira makamera eTime Delay Integration (TDI).
Chii chinonzi TDI Kamera?
A TDI kamera inyanzvi yekutarisisa kamera inotora mifananidzo yezvinhu zvinofamba. Kusiyana neyakajairwa nharaunda scanca makamera anofumura furemu yese kamwechete, TDI makamera anochinja kubhadharisa kubva mumutsara wemapikiseli kuenda kune unotevera mukuwiriranisa nekufamba kwechinhu. Imwe neimwe pixel mutsara inounganidza mwenje sezvo chinyorwa chinofamba, zvinobudirira kuwedzera nguva yekuratidzwa uye kuwedzera simba rechiratidzo pasina kuunza blur yekufamba.
Uku kubatanidzwa kwechaji kunowedzera zvinoshamisa chiratidzo-kune-ruzha chiyero (SNR), zvichiita kuti TDI makamera akwane kune yakakwirira-kumhanya kana yakaderera-mwenje maapplication.
Iyo TDI Kamera Inoshanda Sei?
Kushanda kwekamera yeTDI kunoratidzwa mumufananidzo 1.
Mufananidzo 1: Kushanda Kwenguva Kunonoka Kubatanidza (TDI) sensors
CHERECHEDZA: TDI makamera anofambisa anotora machaji pane akawanda 'matanho' mukuwiriranisa nechinyorwa chinofamba chekufungidzira. Danho rega rega rinopa mumwe mukana wekuratidzwa kuchiedza. Inoratidzwa kuburikidza neyakajeka 'T' inofamba ichiyambuka kamera, ine 5-column ne5-nhanho chikamu cheTDI sensor. Tucsen Dhyana 9KTDI ine hybrid CCD-maitiro ekuchaja mafambiro asi CMOS-chimiro chakafanana kuverenga.
Makamera eTDI anonyatso mutsara makamera, ane musiyano umwechete wakakosha: pachinzvimbo chemutsetse mumwe wemapikiseli anotora data sezvo makamera achiongororwa pachidzidzo chekufungidzira, makamera eTDI ane mitsara yakawanda, inozivikanwa se'matanho', anosvika pa256.
Nekudaro, mitsara iyi haigadziri mufananidzo we 2-dimensional senge nzvimbo-scan kamera. Pane kudaro, sechinyorwa chekufungidzira chinofamba chichipfuura nekamera sensor, maphotoelectrons anoonekwa mukati mepixel yega yega anokwenya kuenda kumutsetse unotevera mukuwirirana nekufamba kwechidzidzo chekufungidzira, asati averengerwa. Mutsara wega wega wekuwedzera unozopa mumwe mukana wekufumura nyaya yekufungidzira kuchiedza. Kamwe chete chidimbu chemufananidzo chasvika pamutsara wekupedzisira wepixels we sensor ndiyo mutsara iwoyo wobva wapfuura kune yekuverenga yekuvaka yekuyera.
Nekudaro, kunyangwe kuyerwa kwakawanda kuri kuitika pamatanho ekamera, chiitiko chimwe chete che kamera kuverenga ruzha chinounzwa. Iyo 256-nhanho TDI kamera inochengeta sampuli ichionekwa 256 nguva refu, uye nekudaro ine 256 nguva yakareba yekuratidzira nguva kupfuura yakaenzana mutsara scan kamera. Iyo yakaenzana nguva yekuratidzwa ine nzvimbo yekuvheneka kamera yaizoburitsa yakanyanyisa kujeka kwekufamba, zvichiita kuti mufananidzo ushaye basa.
Rini Inogona Kushandiswa TDI?
TDI makamera imhinduro yakanaka kune chero yekufungidzira application uko nyaya yekufungidzira iri kufamba inoenderana nekamera, zvichipa kuti kufamba kwakafanana pakuona kwekamera.
Zvikumbiro zveTDI imaging saka zvinosanganisira, kune rumwe rutivi, ese ayo emutsetse scanning apo 2-dimensional mifananidzo inoumbwa, nepo ichiunza kukurumidza kukuru, yakanyanya kunatsiridza kuderera kwechiedza, kunaka kwemufananidzo, kana zvese zvitatu kamwechete. Kune rumwe rutivi, kune akawanda ekufungidzira maitiro anoshandisa nzvimbo-scan makamera uko TDI makamera anogona kushandiswa.
Kune high-sensitivity sCMOS TDI, 'tile and stitch' imaging mubiological fluorescence microscopy inogona kuitwa pachishandiswa scanstop scan yedariro panzvimbo yekuisa matairi. Kana kuti yese TDI inogona kunyatsokodzera kuongorora zvikumbiro. Chimwe chakakosha chikumbiro cheTDI kufungidzira kuyerera kwe cytometry, uko mifananidzo yefluorescence yemasero inowanwa pavanenge vachipfuura kamera ichiyerera nepakati microfluidic chiteshi.
Zvakanakira uye Zvakaipa zve sCMOS TDI
Pros
● Inogona kutora mifananidzo ine mativi maviri ehukuru husingaenzaniswi ichimhanya zvakanyanya paunenge uchitarisa pachinhu chekufungidzira.
● Matanho akawanda eTDI, ruzha rwakadzika, uye QE yakakwirira inogona kutungamirira kuhutano hwakanyanya kudarika mutsara wekhamera.
● Kumhanya kwakanyanya kwekuverenga kunogona kuwanikwa, semuenzaniso, kusvika ku510,000Hz (mitsetse pasekondi), ye9,072-pixel-yakafara mufananidzo.
●Kuvhenekera kunongoda kuve 1-dimensional uye hakungade kufuratira-munda kana kumwe kugadzirisa mune yechipiri (yakaongororwa) dimension. Pamusoro pezvo, nguva refu yekuratidzwa kana ichienzaniswa netambo scan inogona 'kupfava' kupenya nekuda kwe AC magetsi masosi.
● Mifananidzo inofamba inogona kuwanikwa pasina kusvibiswa kwekufamba uye nekumhanya kwakanyanya uye kunzwa.
●Kuongorora nzvimbo dzakakura kunogona kukurumidza kukurumidza kupfuura nzvimbo yekuongorora kamera.
● Nemapurogiramu epamusoro-soro kana kuti achitanga kuseta, 'area-scan-like' modhi inogona kupa nharaunda-scan muchidimbu kutarisa uye kurongeka.
Cons
● Ruzha rwakanyanya kudarika makamera eCMOS echinyakare, zvichireva kuti maapplications ekupedzisira-akadzikama haasvikiki.
● Inoda magadzirirwo ane hunyanzvi ane hunyanzvi hwekusimudzira kuwiriranisa kufamba kwechinyorwa nekuvheneka kwekamera, kutonga kwakanaka kwazvo pamusoro pekumhanya kwekufamba, kana kufanotaura kwakarurama kwekumhanya kuti kugone kuwiriranisa.
● Se tekinoroji nyowani, mhinduro shoma dziripo parizvino dzehardware nesoftware kuita.
Yakaderera-chiedza-inokwanisa sCMOS TDI
Nepo TDI senzira yekufungidzira yakatangira kufungidzira kwedhijitari, uye kare yakapfuura mutsara scan mukuita, mumakore mashoma apfuura makamera eTDI akawana kunzwisiswa kunodiwa kusvika kune yakaderera-mwenje maapplication ayo anowanzoda kunzwisiswa kwesainzi-giredhi.sCMOS makamera.
'sCMOS TDI' inosanganisa iyo CCD-maitiro ekufambisa kwemachaji kuyambuka sensor ne sCMOS-maitiro ekuverenga, ane kumashure-akavhenekerwa masensa aripo. Yakapfuura CCD-yakavakirwa kana chaiyo CMOS-yakavakirwa* TDI makamera aiverenga zvishoma zvishoma, mapixel madiki kuverenga, mashoma matanho, uye akaverenga ruzha pakati pe30e- ne>100e-. Mukupesana, sCMOS TDI yakadai seTucsenDhyana 9KTDI sCMOS kamerainopa kuverenga ruzha rwe7.2e-, yakasanganiswa nepamusoro quantum kunyatsoshanda kuburikidza nekumashure-kuvhenekerwa, ichigonesa kushandiswa kweTDI mune yakanyanya kuderera mwenje mwero maapplication pane zvaimboitika.
Mune akawanda maapplication, iyo yakarebesa kuratidzwa nguva inogoneswa neiyo TDI maitiro anogona kupfuura kutsiva kuwedzera kwekuverenga ruzha kana ichienzaniswa nemhando yepamusoro sCMOS nzvimbo-scan makamera ane ruzha rwekuverenga padyo ne1e-.
Zvakajairwa Zvishandiso zveTDI Kamera
TDI makamera anowanikwa mumaindasitiri mazhinji uko kurongeka uye kumhanya kwakakosha zvakaenzana:
● Semiconductor wafer kuongorora
● Flat panel display (FPD) yekuongorora
● Kuongorora paWebhu (pepa, firimu, foil, machira)
● X-ray scanning mukuongororwa kwezvokurapa kana kutariswa kwemukwende
● Slide uye yakawanda-zvakanaka plate scanning mu digital pathology
● Hyperspectral imaging mukunzwa kure kana kurima
● PCB uye kuongorora kwemagetsi mumitsetse ye SMT
Aya maapplication anobatsirwa kubva mukuwedzeredzwa kusiyanisa, kumhanya, uye kujeka uko TDI imaging inopa pasi pezvipingaidzo zvepasirese.
Muenzaniso: Slide uye Multi-Well Plate Scanning
Sezvambotaurwa, imwe application ine vimbiso yakakosha yesCMOS TDI makamera iri kusona maapplication, anosanganisira siraidhi kana akawanda-tsime-plate scanning. Kutarisa hombe dzefluorescent kana brightfield microscopy samples ine 2-dimensional area makamera inotsamira pakusona grid yemifananidzo inoumbwa kubva mukufamba kwakawanda kweXY microscope stage. Chifananidzo chega chega chinoda kuti chikuva chimire, chigadzike, uye wozotangazve, pamwe chete nekunonoka kwekuvhara. TDI, kune rumwe rutivi, inogona kuwana mifananidzo apo nhanho iri kufamba. Mufananidzo wacho unobva waumbwa kubva kunhamba diki ye 'mitsetse' yakareba, imwe neimwe ichivhara hupamhi hwesample. Izvi zvinogona kutungamira mukumhanya kwakanyanya kwekutora uye kuburitsa data mune ese maapplication ekusona, zvichienderana nemamiriro ekufungidzira.
Iyo yekumhanyisa iyo nhanho inogona kufamba yakapesana neyakajairwa nguva yekuratidzira yeTDI kamera, saka nguva pfupi yekuratidzwa (1-20ms) inopa hukuru hukuru mukumhanya kwekufungidzira kana ichienzaniswa nenzvimbo scanca kamera, izvo zvinozotungamira kune kurongeka kwehukuru kana kuderedzwa kukuru munguva yekutora yakazara. Kwenguva refu yekuratidzwa (semuenzaniso> 100ms), nzvimbo yekuongorora inogona kazhinji kuchengetedza mukana wenguva.
Muenzaniso wemufananidzo wakakura kwazvo (2 Gigapixel) wefluorescence microscopy wakaumbwa mumasekonzi gumi chete unoratidzwa muMufananidzo 2. Mufananidzo wakaenzana wakaumbwa ne area scan camera unogona kutarisirwa kutora kusvika kumaminetsi akati wandei.
Mufananidzo 2: 2 Gigapixel mufananidzo wakaumbwa mumasekonzi gumi kuburikidza neTDI scanning & kusona.
CHERECHEDZA: 10x magnification mufananidzo wakawanikwa uchishandisa iyo Tucsen Dhyana 9kTDI yehighlighter pen dots inotaridzwa nefluorescence microscopy. Inowanikwa mumasekonzi gumi uchishandisa 3.6 ms exposure time. Zviyero zvemufananidzo: 30mm x 17mm, 58,000 x 34,160 pixels.
Kubatanidza TDI
Iko kuwiriranisa kwekamera yeTDI ine chinyorwa chekufungidzira (kusvika mukati mezvikamu zvishoma muzana) kwakakosha - kukurumidza kusawirirana kunotungamira kune 'kufamba kusajeka' maitiro. Uku kuwiriranisa kunogona kuitwa nenzira mbiri:
Predictive: Kumhanya kwekamera kwakaiswa kuti ienderane nekumhanya kwakavakirwa paruzivo rweyemuenzaniso kufamba kumhanya, optics (magnification), uye kamera pixel saizi. Kana kuedza uye kukanganisa.
Triggered: Matanho mazhinji emaikorosikopu, magantries nemimwe michina yekufambisa zvidzidzo zvekufungidzira zvinogona kusanganisira maencoder anotumira trigger pulse kukhamera kune yakapihwa chinhambwe chekufamba. Izvi zvinobvumira nhanho / gantry uye kamera kuti irambe iri mukuwirirana zvisinei nekumhanya kwekufamba.
TDI Cameras vs. Line Scan uye Area Scan Camera
Heano maitiro eTDI anofananidza nemamwe akakurumbira ekufungidzira matekinoroji:
| Feature | TDI Kamera | Line Scan Camera | Nzvimbo Scan Kamera |
| Sensitivity | High High | Pakati | Yakaderera kusvika Pakati |
| Hunhu hwemufananidzo (kufamba) | Excellent | Kugona | Blured pakumhanya kukuru |
| Lighting Zvinodiwa | Low | Pakati | High |
| Motion Kuenderana | Yakanakisa (kana yakawiriraniswa) | Kugona | Murombo |
| Best For | High-speed, yakaderera-chiedza | Zvinhu zvinokurumidza kufamba | Zvakamira kana kuti zvishoma nezvishoma |
TDI ndiyo sarudzo yakajeka kana chiitiko chiri kufamba nekukurumidza uye mwenje mazinga mashoma. Line scan inhanho yekudzika mukunzwa, nepo nzvimbo yekutarisa iri nani kune yakapusa kana yakamira setups.
Kusarudza iyo Right TDI Kamera
Paunenge uchisarudza TDI kamera, funga zvinotevera:
● Nhamba yezvikamu zveTDI: Mamwe matanho anowedzera SNR, asiwo mari uye kuoma.
● Sensor type: sCMOS inosarudzwa nokuda kwekumhanya kwayo uye ruzha rushoma; CCD inogona kunge ichiri yakakodzera kune mamwe masisitimu enhaka.
● Interface: Iva nechokwadi chekuenderana nehurongwa hwako-Camera Link, CoaXPress, uye 10GigE zvinowanzosarudzwa, 100G CoF uye 40G CoF yakabuda semaitiro matsva.
● Spectral response: Sarudza pakati pemonochrome, ruvara, kana pedyo-infrared (NIR) zvichienderana nezvido zvekushandisa.
● Sarudzo dzekuyananisa: Tsvaga zvinhu zvakaita semapopu encoder kana tsigiro yekukonzeresa yekunze kuitira kurongeka kuri nani.
Kana application yako ichisanganisira yakatetepa yebiological samples, kukurumidza-kumhanya kuongorora, kana nzvimbo ine chiedza chakaderera, sCMOS TDI ingangove yakakodzera.
Mhedziso
TDI makamera anomiririra shanduko ine simba mukufungidzira tekinoroji, kunyanya kana yakavakirwa paSCMOS sensors. Nekubatanidza kuwiriranisa kwekufamba nekubatanidzwa kwe-multi-line, vanopa kusingaenzaniswi kunzwisiswa uye kujeka kune zvine simba, zvakaderera-mwenje zviratidziro.
Kunyangwe iwe uri kuongorora mawafers, kupenengura masiraidhi, kana kuongorora-kumhanya-mhanya, kunzwisisa kuti TDI inoshanda sei kunogona kukubatsira kusarudza mhinduro yakanaka pakati.makamera esainzikune matambudziko ako ekufungidzira.
FAQ
Ko TDI makamera anogona kushanda munzvimbo scan mode?
TDI makamera anogona kugadzira (akatetepa kwazvo) 2-dimensional mifananidzo mune 'nzvimbo-scan-se' modhi, inowanikwa kuburikidza nehunyengeri hwekunzwa nguva. Izvi zvinogona kubatsira kumabasa akaita sekutarisa uye kurongeka.
Kutanga 'nzvimbo-scan exposure', sensor inotanga 'kucheneswa' nekusimudzira TDI kanenge nhanho dzakawanda sezvo kamera ine matanho, nekukurumidza sezvinobvira, yobva yamira. Izvi zvinogona kuwanikwa kuburikidza nesoftware control, kana hardware triggering, uye inoitwa murima. Semuyenzaniso, 256-nhanho kamera inofanira kuverenga kanenge 256 mitsetse, wobva wamira. Iyi mitsetse ye256 yedata inoraswa.
Kunyange iyo kamera isiri kukonzeresa kana mitsara kuverengerwa kunze, iyo sensor inoita senge nzvimbo-scan sensor inoburitsa mufananidzo.
Iyo yaunoda kuratidzwa nguva inofanira kubva yapfuura nekamera isina basa, isati yasimudzira zvakare kamera neinokwana nhamba yayo yematanho, uchiverenga mutsara wega wega wemufananidzo uchangotorwa. Zvekare, ichi chikamu che'kuverenga kunze' chinofanira kuitika murima.
Iyi tekinoroji inogona kudzokororwa kuti ipe 'live preview' kana kutevedzana kwenzvimbo-scan mifananidzo ine kushoma kukanganiswa uye kusajeka kubva mukushanda kweTDI.
Tucsen Photonics Co., Ltd. Kodzero dzese dzakachengetwa. Paunenge uchitaura, ndapota bvuma kwakabva:www.tucsen.com
