Number of found documents: 500
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Labio, a.s. – studie možností rozšíření plynového chromatografu
Divoký, Martin
2015 - Czech
Projekt byl zaměřen na testování a vývoj UV plynového chromatografu Labio G11. Spektrometr chromatografu byl modifikován, aby došlo k rychlejšímu propláchnutí vnitřního prostoru dusíkem (neabsorbuje v UV) a byla uspíšena připravenost k provozu. Dále byla otestována citlivost spektrometru v UV pod 150 nm a navrženy možnosti rozšíření citlivosti v této oblasti. This project aimed at testing and development of a UV gas chromatograph Labio G11. A spectrometer from the chromatograph was modified in order to increase nitrogen gas flow in the device and speed at which the inner of the spectrometer is filled with nitrogen (that doesn’t absorb in UV). This allowed decreasing startup time of the spectrometer. Additionally, sensitivity of the spectrometer in region below 150 nm was tested and ways to increase this sensitivity were proposed. Keywords: UV detection; UV absorption; gas flow; gas mixing Available at various institutes of the ASCR
Labio, a.s. – studie možností rozšíření plynového chromatografu

Projekt byl zaměřen na testování a vývoj UV plynového chromatografu Labio G11. Spektrometr chromatografu byl modifikován, aby došlo k rychlejšímu propláchnutí vnitřního prostoru dusíkem (neabsorbuje v ...

Divoký, Martin
Fyzikální ústav, 2015

Fabrication methods of diamond coated Love wave SAW biosensors for bacterial detection applications
Drbohlavová, L.; Bulíř, J.; Valeš, Václav; Jákl Křečmarová, M.; Taylor, Andrew; Talbi, A.; Soltani, A.; Mortet, Vincent
2015 - English
Pathogen detection has a huge importance in the food industry and it can play significant role in the medical practice. This paper focus on the fabrication methods of diamond coated Love wave surface acoustic wave (LW-SAW) biosensors for bacteria detection. LW-SAW sensors have been fabricated on AT-quartz crystals. Interdigitated transducers have been patterned by RF sputtering and photolithography techniques. Amorphous silicon oxide (SiO2) guiding layer and nano-crystalline diamond layer were both deposited by plasma enhanced chemical vapor deposition at low temperature. Preliminary experimental study of diamond surface termination for sensors bio-functionalization is also reported. Keywords: biosensors; LW-SAW Available at various institutes of the ASCR
Fabrication methods of diamond coated Love wave SAW biosensors for bacterial detection applications

Pathogen detection has a huge importance in the food industry and it can play significant role in the medical practice. This paper focus on the fabrication methods of diamond coated Love wave surface ...

Drbohlavová, L.; Bulíř, J.; Valeš, Václav; Jákl Křečmarová, M.; Taylor, Andrew; Talbi, A.; Soltani, A.; Mortet, Vincent
Fyzikální ústav, 2015

Thermocouples
Kopeček, Jaromír
2015 - English
Analsis of different samples of thermocouples before and after laser marking what is used to produce barcode close to spike of the probes. The aim is to investigate the influence of laser marking by detailed analysis of the material structure of the samples. Keywords: laser marking; thermocouple; analysis; inconel Available at various institutes of the ASCR
Thermocouples

Analsis of different samples of thermocouples before and after laser marking what is used to produce barcode close to spike of the probes. The aim is to investigate the influence of laser marking by ...

Kopeček, Jaromír
Fyzikální ústav, 2015

Plazmatická příprava tlustých kovových vrstev pro mechanické rytí blejzovaných difrakčních mřížek
Olejníček, Jiří
2015 - Czech
Smluvní výzkum byl zaměřen přípravu a optimalizaci procesu depozice vybraných tlustých kovových vrstev o tloušťce 5 až 10 µm na leštěné skleněné substráty. Ze strany zadavatele byl kladen důraz zejména na mechanické vlastnosti vrstev: adheze, porozita, homogenita, tvrdost a časová stálost. Contract research was focused on preparation and optimization of the deposition process of the selected thick metal layers with a thickness 5 to 10 microns on a polished glass substrates. The emphasis was mainly on the mechanical properties of films: adhesion, porosity, homogeneity, hardness and time stability. Keywords: magnetron sputtering; thin films; surface properties Available at various institutes of the ASCR
Plazmatická příprava tlustých kovových vrstev pro mechanické rytí blejzovaných difrakčních mřížek

Smluvní výzkum byl zaměřen přípravu a optimalizaci procesu depozice vybraných tlustých kovových vrstev o tloušťce 5 až 10 µm na leštěné skleněné substráty. Ze strany zadavatele byl kladen důraz ...

Olejníček, Jiří
Fyzikální ústav, 2015

DEL a.s. – Využití laserové technologie
Flimelová, Miroslava; Bičišťová, Radka; Brajer, Jan
2015 - Czech
Cílem studie je poskytnout zadavateli dostatečné a konkrétní informace a podklady k výběru a následnému nákupu laserového zdroje a vhodného příslušenství k němu. Laserový zdroj bude využit jako technologický nástroj v budovaném inovačním centru společnosti k technologickým zkouškám, poloprovozním testům a vývoji nových komerčních aplikací. The aim of the study is to provide sufficient and specific information and documents on the selection and subsequent purchase of a laser source suitable accessories for it . The laser source will be used as a technological tool in building the company's innovation center for technological tests , pilot tests and develop new commercial applications . Keywords: laser welding; hardening; engraving; powder coating Available at various institutes of the ASCR
DEL a.s. – Využití laserové technologie

Cílem studie je poskytnout zadavateli dostatečné a konkrétní informace a podklady k výběru a následnému nákupu laserového zdroje a vhodného příslušenství k němu. Laserový zdroj bude využit jako ...

Flimelová, Miroslava; Bičišťová, Radka; Brajer, Jan
Fyzikální ústav, 2015

Mitsubishi Heavy Industries Aero Engines, Ltd. – Feasibility test of short pulse laser drilling on metal alloy plate
Miura, Taisuke
2015 - English
We have constructed a laser drilling station for metal plates supplied by MHIAEL. We have succeeded to demonstrate the fast drilling on the metal plates within 0.1sec using our thin disk regenerative amplifier. This result leaded to the additional contract with the guest on February 2016. Keywords: short pulse laser; drilling; metal alloy Available at various institutes of the ASCR
Mitsubishi Heavy Industries Aero Engines, Ltd. – Feasibility test of short pulse laser drilling on metal alloy plate

We have constructed a laser drilling station for metal plates supplied by MHIAEL. We have succeeded to demonstrate the fast drilling on the metal plates within 0.1sec using our thin disk regenerative ...

Miura, Taisuke
Fyzikální ústav, 2015

Utsunomiya University – Prototyping of pump laser optics for compact thin disk head
Miura, Taisuke
2015 - English
We have constructed a compact thin disk head designed by HiLASE. We demonstrated the CW output from the thin disk head with the efficiency of higher than 30% and the good beam quality. This result leaded to the additional contract with Utsunomiya University on February 2016. Keywords: pump laser; optics; compact thin disk head Available at various institutes of the ASCR
Utsunomiya University – Prototyping of pump laser optics for compact thin disk head

We have constructed a compact thin disk head designed by HiLASE. We demonstrated the CW output from the thin disk head with the efficiency of higher than 30% and the good beam quality. This result ...

Miura, Taisuke
Fyzikální ústav, 2015

MEDICEM Institute, spol. s.r.o. - Technology to shape hydrogels by lasers
Rostohar, Danijela; Flimelová, Miroslava
2015 - English
We have prepared study with aim to propose a technology allowing to shape hydrogels by lasers and to describe a project (including timelines, milestones, team and budget) that would lead to the development of such technology, including supportive scientific, technical and theoretical information. Keywords: hydrogels; lasers; intraocular implants; intraocular lenses Available at various institutes of the ASCR
MEDICEM Institute, spol. s.r.o. - Technology to shape hydrogels by lasers

We have prepared study with aim to propose a technology allowing to shape hydrogels by lasers and to describe a project (including timelines, milestones, team and budget) that would lead to the ...

Rostohar, Danijela; Flimelová, Miroslava
Fyzikální ústav, 2015

Doped DLC coatings for biomedical applications
Písařík, Petr
2015 - English
Nowadays there are materials having excellent properties for use in medicine (Diamond-like carbon, Hydroxyapatite, …). Diamond-like carbon (DLC) is a metastable form of amorphous carbon containing bonded carbon atoms of sp2 and sp3 hybridized orbital. DLC layers are semiconductors with high mechanical hardness, chemical inertness, low coefficient of friction, high thermal conductivity, good electrical and optical properties, biocompatibility and no cytotoxicity. All properties of the films are not always ideal, so it is necessary to modify the layer. One example of how to modify the properties of thin layers are dopations. The incorporation of dopants in films may lead to greater multifunctionality and much improved properties. Most modifications were made to modify contact angle and surface energy, to reduce internal stresses, to decrease surface roughness, coefficient of friction or wear.... Keywords: silver doped; diamond like carbon; thin layers; mechanical properties Available at various institutes of the ASCR
Doped DLC coatings for biomedical applications

Nowadays there are materials having excellent properties for use in medicine (Diamond-like carbon, Hydroxyapatite, …). Diamond-like carbon (DLC) is a metastable form of amorphous carbon containing ...

Písařík, Petr
Fyzikální ústav, 2015

Hydrogen-terminated diamond surface as gas sensing layer working at room temperature
Davydova, Marina; Kulha, P.; Babchenko, Oleg; Kromka, Alexander
2015 - English
Effect of fluorine- and hydrogen-terminated diamond surface on the gas sensing properties at room temperature was investigated. The gas sensing properties diamond-based sensor were measured by the changes of electrical resistance to various volatile organic compounds (C6H6, C3H6O, isopropylalcohol) and relative humidity. The comparative sensing performance of hydrogenated diamond surface shows improvement in sensitivity toward benzene, acetone, isopropylalcohol and humid air in contrast to fluorinated diamond surface, where the surface conductivity was suppressed. Keywords: diamond; gas sensor; response; sensitivity Available at various institutes of the ASCR
Hydrogen-terminated diamond surface as gas sensing layer working at room temperature

Effect of fluorine- and hydrogen-terminated diamond surface on the gas sensing properties at room temperature was investigated. The gas sensing properties diamond-based sensor were measured by the ...

Davydova, Marina; Kulha, P.; Babchenko, Oleg; Kromka, Alexander
Fyzikální ústav, 2015

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