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Recording Applications

For recording applications, new approaches to high-quality polymeric film substrates are needed. Improved automation and control of thin-film coating are also important. [Pg.69]

The following properties are generally required for all heat-mode optical recording applications ... [Pg.609]

The indole- and benzindole-cyanine dyes illustrated in Scheme 6 are used by many major manufacturers in optical disk recording applications. These types of dye tend to be more light-stable than many other readily synthesized polymethine dyes. To increase the photostability, the dyes are used in combination with various types of stabilizers such as nickel dithiolato complexes and selected tertiary aromatic amine compounds.199 The application of cyanine dyes for optical storage media was primarily developed in Japan203 and several dyes and compatible stabilizers are commercially available in pure form from Japanese suppliers.199... [Pg.609]

There are no clear advantages in terms of functional performance between the two classes of dyes, except that phthalocyanines are generally more light stable but tend to be more expensive to synthesize and modify. Phthalocyanine dyes are not suitable for DVD-R media, since the main chromophore cannot readily be modified to produce a sufficiently large hypsochromic shift. Other dyes potentially suitable for DVD-R include metal azo complexes, quinophthalones, and diphenyl-methanes. The cyanine dyes are particularly useful as they can be readily modified to tailor the optical absorbance requirements for all current optical disk recording applications.199... [Pg.610]

Solvent delivery system stainless steel columns injection port flow-through detector, recorder. Applications... [Pg.118]

Intrinsic and Extrinsic Properties. The materials Fe, Co, and Ni and their alloys and oxides are mostly used for recording applications materials. Their magnetic properties are described by intrinsic and extrinsic parameters. The intrinsic properties (saturation magnetization, M,... [Pg.171]

Maintenance records Application software documentation Data reproduction accuracy Documented verification of process steps Operator identification Data record review by quality control Electronic record/signature type, use, control, and audit trail... [Pg.564]

As appropriate, the following quality assurance practices and records applicable to the operating system software, application-specific software, and hardware should be reviewed by the pharmaceutical manufacturer (or its nominated representative) ... [Pg.593]

A formal agreement that references all relevant tender documents and clearly identifies responsibilities and document deliverables should be prepared by the pharmaceutical manufacturer. The purchase order should include the final agreement and identify any associated contractual documentation. A copy of the signed final agreement and purchase order should be retained in the pharmaceutical manufacturer s validation file, together with evaluation records applicable... [Pg.594]

Since the synthesis of glycolipids involves the synthesis of both the lipid and the oligosaccharide portions, we shall also discuss that part of the recorded lipid synthetic work which has involved the use of carbohydrates. In fact, some of the first-recorded applications of carbohydrate molecules as chiral templates are to be found in the lipid field particularly with the use of 1,2 5,6-di-O-isopropylidene-D-mannitol [33] as a precursor of chiral glycerol derivatives for the synthesis of phospholipids and glycolipids based on glycerol and with the use of glucosamine derivatives for the synthesis of phytosphingosines [34] and since this area has not previously been reviewed, it will be treated with a more historical perspective. [Pg.79]

During execution of the batch record, applicable checks will be... [Pg.300]

Brankovic SR et al (2006) Pulse Electrodeposition of 2.4 T Co Fe alloys at nanoscale for magnetic recording application. IEEE Trans Magn 42 132-139... [Pg.112]

Where multiple sequential activities are to take place (e.g., using a manufacturing batch recording application or a series of repetitive tasks in a laboratory or office), the regulation requires that both parts of the nonbiometic signature be used for the first record entry but that only the secret part be... [Pg.460]

In vivo characterization is more suited to the assessment of CP biological performance, with studies tailored for the intended implant application. In vivo CP studies have been largely limited to electrode recording applications, where CPs have been shown to temporarily improve signal quality [52]. This is due primarily to nemal interactions, discussed further in Section 18.6. Future biological characterization of CPs must focus on in vivo, long-term studies in anatomically appropriate sites with on-going assessment of electrical performance. [Pg.727]

Scheme 7). All the partially methylated and ethylated 1,5-anhydro-D-mannltol acetates expected from reductive cleavage-acetylation of permethylated or perethylated D-mannans have been synthesized by standard procedures and their mass spectra recorded. Application of the method to fructans revealed that 1,2-linked D-fructofuranosyl units gave mainly a 2,5-anhydro-D-mannitol derivative, while 2,6- and 1,2,6-llnked units gave mainly... [Pg.168]


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Applications in Magnetic Recording Industry

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