Coating Materials News Archive - 2000 to 2010

Developments in coating materials preparation, deposition techniques, equipment and evaporation parameter control are interrelated, continuing processes that are discussed in detail in this issue of Coating Materials News.

The deposition parameters recommended for common optical materials and ITO are presented in this issue of Coating Materials News.

This issue of Coating Material News covers the most common techniques of physical vapor deposition (PVD), and adhesion and defect and stress reduction problems.

The challenges and differences between coating glass surfaces and polymeric materials are numerous. This issue of Coating Materials News discusses different polymer optics coatings, specifically ophthalmic AR multi-layers.

The thickness dependence of crystalline forms, ion-beam sputtering and several deposition techniques are discussed in this issue of Coating Materials News.

Dense wavelength division multiplexing filters, low temperature ITO coatings and the need for alternate transparent conduction oxides are discussed in this issue of Coating Materials News.

This issue of Coating Materials News examines the pitfalls in thin-film optical property measurement, including reviews of the most important properties, and the difficulties in thin film optical measurement.

Ion-Beam Assisted Deposition, Excimer Damage Thresholds of MgF2 Films, and the influence of process parameters on stress and microstructure in sputter deposition are presented in this issue of Coating Materials News.

Featured in this issue of Coating Materials News are discussions on the three most commonly applied deposition technologies including material choices for optical applications, and deposition parameters related to TiO2 layers for oxide thin films.

The requirements of smaller circuit features as well as an in-depth look into the defects and targets of sputter deposition are presented in this issue of Coating Materials News.

In this issue of Coating Materials News, the steps of applying coatings to application specific surfaces are discussed, including the benefits coatings offer.

Two different procedures for coatings and materials are reviewed in this issue of Coating Materials News, including structured coatings, nano-engineered materials and TiO2 as a reactive coating.

Information on the function of transparent electromagnetic compatibility coatings, and, the sputter deposition of compounds and process parameter influences on stresses in sputtered metal films are presented in this issue of Coating Materials News.

This issue of Coating Materials News features occurrences of optical inhomogeneity and cures, as well as materials that produce homogeneous and stable film layers.

This issue of Coating Materials News contains the second part of the “Tutorial on Properties of Thin Film Layers for Optical Applications,” expanding upon deposition technology, physical and chemical durability, mechanical stress, substrate surface preparation and deposition rate effects.

This issue of Coating Materials News examines how deposition conditions selected during magnetron sputtering affects copper oxide’s optical transmission and wettability properties which enable optimal performance in the application areas of solar cells and electro-chromic devices.

This issue of Coating Materials News analyzes the process of producing specific optical thin-film coatings, from coating requirements to the delivered end product, in addition to helpful notes to provide for the engineer during the designing process.

This issue of Coating Materials News discusses newly developed metal oxide compounds in the form of pre-melted materials that are reproducible, stable and consistent.

This issue of Coating Materials News reports on research presented at the annual OSA Optical Interference Coatings Conference centering on developments in the deposition, design and the characterization of optical coatings.

This issue of Coating Materials News focuses on materials’ properties and primary properties desirable in optical coating materials, including a preliminary report on pre-melted titanium dioxide, discussions on achieving stability through low mechanical stress in thin film layers and a discussion on the theory of thin film growth.

This issue of Coating Materials News presents detailed results of a study on the performance of the pre-melted form of TiO2, as well as possible replacements for ITO, a costly and rare compound with electrical and optical properties.

This issue of Coating Materials News addresses the electrical properties of thin films that are used as resistors, semiconductors, and biosensors. Also discussed in this issue is, film growth and the steps involved in the evaporation and deposition processes.

This issue of Coating Materials News discusses the selection process of materials for specific ophthalmic applications and mirror coatings, along with deposition and film growth processes.

This issue of Coating Materials News reviews advances in coating materials and processes brought on by increasing demands for optical coatings applications, including progress made in coating materials science, coatings on polymer optics and progress in deposition techniques.

This issue of Coating Materials News includes results achieved when high-energy ion bombardment accompanies evaporation, exclusively niobium pentoxide, lanthanum titanate, zirconia, tantalum pentoxide and hafnium dioxide, as well as the IAD effects on materials’ properties.

This issue of Coating Materials News centers on coating techniques, including electron-beam evaporation, and mechanical stress factors that can influence the different techniques.

This issue of Coating Materials News discusses losses in optical coatings in particular when light energy dissipates in a high laser irradiation density environment and critical optical systems.

This issue of Coating Materials News puts the customer first by discussing the functional aspects of coatings in optical systems from a user’s point of view. Making sure that everyone involved in the production process understands the functions and limitations of optical coatings ensures a superior result.

This issue of Coating Materials News explores using a combination of materials in order to produce dense layers. In particular, two different high index materials, lanthanum titanate and zirconium oxide-titanium oxide, were reviewed in deta

This issue of Coating Materials News discusses research findings presented at the 2007 Optical Interference Coatings Conference, focusing on coatings for nano-scale applications, energetic deposition techniques used to control film microstructure, ion beam sputtering and DUV lithography.

This issue of Coating Materials News covers aspects of the mechanical properties of optical thin film technology, including techniques to manage mechanical stress and film growth mechanics.

This issue of Coating Materials News presents a tutorial on the testing and analysis of optical coatings, and explains the examination and evaluation process involved to ensure that the end product meets the requirements of the customer.

This issue of Coating Materials News looks at solar cells and the electrical contact and reflection reduction function optical coatings perform. Furthermore, the substitutions of AZO for ITO in transparent conducting contact on all types of solar cells is also discussed as well as the introduction of AZO in other applications and preliminary tests of a new AZO target material.

This issue of Coating Materials News discusses durable coating engineering, including the design and production of coatings that can tolerate harsh mechanical environments, and the importance of index and thickness values for layer deposition tolerances.

This issue of Coating Materials News reports on mechanical stresses in coatings induced by environmental influences including wet environments, as well as progress made towards developing AZO layers with sheet resistance lower than ~100 Ω/sq.

This issue of Coating Materials News focuses on cleaning procedures necessary before deposition techniques can be employed. Having a clean surface ensures that an optimal optical coating is achieved and that strong adhesion bonds are formed.

This issue of Coating Materials News continues a previous discussion on the mechanical properties of optical films, including information on the advantages of high-index Niobia films, and the deposition of Fluoride compounds using IAD and IBS instead of using thermal evaporation.

This issue of Coating Materials News discusses the coating of polymeric materials for optical applications as well as an alternate material to ITO as the transparent electrode for solar cells.

This issue of Coating Materials News presents a brief tutorial on thin film deposition accomplished with different PVD techniques, specifically the evaporation process and sputter deposition, which were developed for various applications .

This issue of Coating Materials News focuses on thin film solar cells and solar energy, as the solar cell continues to develop as a renewable energy source, and the dependence on non-renewable energy sources continues to fall.

This issue of Coating Materials News discusses the deposition of silicon dioxide films, and the creation of colored reflection films for decorative functions. Also investigated in this issue is which process controls mechanical stress the best.

This issue of Coating Materials News discusses the latest results of optical coating development presented by researchers at the international Optical Interference Conference held in Tucson, June 6-11. Sub-disciplines: coating techniques, laser damage studies, film stress management, materials properties, tailored nano-structures, solar coatings, polarization, monitoring, measurements, manufacturing, and ultra fast coatings were discussed. We summarize some papers that have interest for our readership. A future issue of Applied Optics will contain full articles of the contributed conference papers.

This issue of Coating Materials News discusses improvements in materials for Thin Film Coatings.

This issue of Coating Materials News we add color as created by Thin Film Coatings.

As the popularity of AZO as a transparent conducting oxide continues to increase, applications are being developed to optimize the deposition process

Cerium Dioxide is a coating material with high refractive index in the visible, and transparency to IR wavelengths >10 μm.

This technical paper describes the need for strict cleaning processes before coating, and the step by step procedures involved in the process. Testing clean surfaces is also discussed.

In this article, substrate materials for high concentration CPV submounts are discussed, and the relationship between substrate thermal conductivity, solar flux and chip temperature assuming an unlimited heatsink.

Discussed in this issue of Coating Materials News are the mechanical properties of optical films, along with the advantages of high-index Niobia films and the deposition of Fluoride compounds using IAD and IBS instead of thermal evaporation.

Thin film deposition by the basic PVD techniques as well as the development of stable coating materials and process monitoring are addressed in this brief tutorial.

Typical applications of Silicon Dioxide include antireflection coatings for near-UV laser optics, all-dielectric mirrors, beam-dividers, bandpass filters, and polarizers.

Silicon monoxide, SiO, is an amorphous solid which does not have a characteristic X-ray diffraction pattern. SiO is brown in powder or pressed form and black in granular or lump form. It is stable at room temperature, but at temperatures of 400-800°C, X-ray readings show traces of the disproportionation products silicon and quartz. SiO is a highly desirable coating material due to its high deposition rate and ease of evaporation using low cost resistance-heated coating systems. SiO is also noted for its excellent environmental stability.

Materion's silver-filled epoxy cement is a silver-colored thick paste containing the optimum ratio of silver powder to epoxy resin for maximum thermal and electrical conductivity and mechanical strength.

This issue of Coating Materials News explores solar cells and their coating requirements. The trend of ITO and AZO substitution is discussed as well as how AZO is used in other applications.

Tantalum and niobium ethoxides are available as convenient precursors in the production of their respective oxides in various applications. Chemical formulas are Ta(OC2H5)5 and Nb(OC2H5)5, sometimes referred to as metal pentaethoxides or metal salts of ethanol. These materials are liquid products which can be handled easily in vapor deposition systems and are readily hydrolyzed or pyrolyzed to form the desired oxide films.

The growth and benefits of thin film layers are discussed in this issue of Coating Materials News. Innovations in material deposition processes are detailed, including designed versus traditional evaporated materials.

The discussion in this technical paper focuses on solar energy and cell response as well as introduces thin film deposition techniques. Current state, developing technologies and limitations are also overviewed in this tech paper.

A tutorial on the testing and analysis of optical coatings is presented in this issue of Coating Materials News. The tutorial illustrates how finished thin film optical coatings are examined and evaluated , while revisions made to accommodate improvements in coating and testing technology are also addressed.