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Description of ASTM-E2246 2011ASTM E2246 - 11e1Standard Test Method for Strain Gradient Measurements of Thin, Reflecting Films Using an Optical InterferometerActive Standard ASTM E2246 | Developed by Subcommittee: E08.05 Book of Standards Volume: 03.01 ASTM E2246Significance and Use 5.1 Strain gradient values are an aid in the design and fabrication of MEMS devices. 1. Scope 1.1 This test method covers a procedure for measuring the strain gradient in thin, reflecting films. It applies only to films, such as found in microelectromechanical systems (MEMS) materials, which can be imaged using an optical interferometer, also called an interferometric microscope. Measurements from cantilevers that are touching the underlying layer are not accepted. 1.2 This test method uses a non-contact optical interferometric microscope with the capability of obtaining topographical 3-D data sets. It is performed in the laboratory. 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
ASTM Standards E2244 Test Method for In-Plane Length Measurements of Thin, Reflecting Films Using an Optical Interferometer E2245 Test Method for Residual Strain Measurements of Thin, Reflecting Films Using an Optical Interferometer E2444 Terminology Relating to Measurements Taken on Thin, Reflecting Films E2530 Practice for Calibrating the Z-Magnification of an Atomic Force Microscope at Subnanometer Displacement Levels Using Si(111) Monatomic Steps SEMI Standard MS2 Test Method for Step Height Measurements of Thin FilmsKeywords cantilevers; combined standard uncertainty; fixed-fixed beams; interferometry; length measurements; microelectromechanical systems; MEMS; polysilicon; residual strain; round robin; stiction; strain gradient; test structure; ICS Code ICS Number Code 37.040.20 (Photographic paper, film and plates. Cartridges) DOI: 10.1520/E2246 ASTM International is a member of CrossRef. ASTM E2246This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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About ASTMASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide. |
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