Coatings, techniques for

Sol-gel coating technique for optical chemical sensors and biosensors is now in extensive research phase. For example, the side-coating of optical fibers or waveguides in evanescent-wave sensors it is particularly important to control precisely the sensitivity determining parameters, such as the coating thickness and length45. 

Manuelli, A. Knobloch, A. Bernds, A. Clemens, W. 2002. Applicability of coating techniques for the production of organic field effect transistors. 2nd International IEEE Conference on Polymers and Adhesives in Microelectronics and Photonics, POLYTRONIC 2002. pp. 201-204. 

Catalyst Coating Techniques for Micro Structures and Their Application in Fuel Processing... 

This section deals with coating techniques for micro structured reactors. The various techniques available are briefly discussed and their applicability for the different bonding techniques as discussed in the previous section is taken into consideration. 

Coating on micro structures is still dominated by manual coating techniques. For future automated production of catalysts and even complete reactors, automated coating procedures will become crucial. Some new approaches in coating technology especially suited for micro structures are described in Section 4.12.4, Online Reactor Manufacturing. 

A1 Lamee K and Cook D. Polymer coating techniques for drug eluting stent. Medical device technology 2003 http /www.medicalde vicesonline.com/ mdt/articledetail.j se =52234. 

Wu and Siggia described a dynamic coating technique for the application of a liquid stationary phase - Poly G-300 - on a silica gel support. With heptane - ethanol (10 1) saturated with the stationary phase, strychnine and brucine could be separated. Polyethylene glycol coated silica gel as support has, however, been superseded by chemically bonded stationary phases. 

Singh VK, Sasaki M, Song JH, Hane K (2003) Heating effect on photoresist in spray coating technique for three-dimensional lithography. Jpn J Appl Phys 42 4027-4030... 

Conducting-Polymer Coating Techniques for Usual Oxidizable... 

Patil et al. synthesized PPy/polyacrylic acid (PAA)Zsilver (Ag) composite electrodes by chemical polymerization via a simple and cost-effective dip-coating technique for supercapacitor application [75]. The higher SC and specific energy of the PPY/PAA/Ag composite of 226 F/g and 17.45... 

PLASMA POLYMERIZATION OF ACETYLENE A COATING TECHNIQUE FOR FIBRE REINFORCEMENT OF COMPOSITES... 

This tedinique, which can be eas automated, constitutes a very attractive metal-coating technique for industrial applications. Adherent conducting potymer films can be easily obtained on Pt or Au by electrochemical oxidation of common monomers suA as pyrrole, aniline, thioph e and their derivative. The l tyer thickness of thee polymers can be varied fi om 10 to 30 um by controlling the current and the meAum. 

Cardarelli, F. Taxil, P. Savall, A. (1996) Tantalum protective thin coating techniques for the chemical process industry molten salts electrocoating as a new alternative. Int. J. Refract. Metals Hard Mater.,14, 365-881. 

Cardarelli F., Taxil P. and Savall A., (1996), Tantalum Protective Coating Techniques for the Chemical Process Industry, Int. J. of Refractory Metals and Hard Materials, 14, 365-381. 

Medical Device Technology 14, No. 1, Jan.-Feb.2003, p. 12-4 POLYMER COATING TECHNIQUES FOR DRUG-ELUTING STENTS... 

The most prominent coating technique for catalysts is wash-coating, which allows both the coating of a catalyst carrier and the coating of a ready-made catalyst onto a substrate. It may be applied for ceramic and metallic monoliths (see Section 6.2) as well as for plates of a stainless steel or aluminium plate heat-exchangers. 

Wash-coating techniques for metal foils exist in automotive exhaust treatment technology [646]. Adomaitis et al. has presented the Metreon process, which was developed for coating of unstructured Fecralloy metal foils [646]. The foils wrapped up as coils were processed through rolls, where they received a corrugated structure. 

For insoluble potymers, such as PPy an elaborate strategy for film production must be used. The most common is the preparation of the film using the soluble precursor sulfonium polyelectrolyte, with further conversion to PPV. This strategy has the advantage that it permits the use of the casting, doctor-blade, or spin-coating techniques for film deposition, but needs a conversion step, which in most of the cases is based on thermal annealing of the fitoi in a vacuum or inert atmosphere, at temperatures up to 300°C [75] (see also Section 2.2). 

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