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Description of ASTM-F1269 2013ASTM F1269 - 13Standard Test Methods for Destructive Shear Testing of Ball BondsActive Standard ASTM F1269 | Developed by Subcommittee: F01.07 Book of Standards Volume: 10.04 ASTM F1269Significance and Use 5.1 Failure of microelectronic devices is often due to the failure of an interconnection bond. The most common type of interconnection bond is the thermosonic gold or copper wire bond. A very important element of this interconnection is the first bond or ball bond. These test methods can assist in maintaining control of the process for making ball bonds. They can be used to distinguish between weak and nonadherent ball bonds, of both, and bonds that are acceptably strong. 5.2 These test methods are appropriate for on-line use in process control, for process development, for purchase specifications, and for research in support of improved yield and reliability. Since the ball shearing method tests only the first bond in a microelectronic wire bond interconnection system, it must be used in a complementary fashion 5 , 6 with the wire bond pull test. 3 1. Scope 1.1 These test methods cover tests to determine the shear strength of a series of ball bonds made by either thermosonic or thermal compression techniques using either gold or copper wires.
Note 1 Common usage at the present time considers the term ball bond'' to include the enlarged spheriodal or
nailhead portion of the wire, (produced by the flameoff/spark [EFO] and first bonding operation in the thermosonic [or thermal compression] process), and the ball bond-bonding pad
interfacial-attachment area or weld interface.
1.2 These test methods cover ball bonds made with small diameter (from 18 to 76-?m (0.0007 to 0.003-in.)) gold or copper wire of the type used in integrated circuits and hybrid microelectronic assemblies, system on a chip, and so forth. 1.3 These test methods can be used only when the ball height and diameter are large enough and adjacent interfering structures are far enough away to allow suitable placement and clearance (above the bonding pad and between adjacent bonds) of the shear test ram. 1.4 These test methods are destructive. They are appropriate for use in process development or, with a proper sampling plan, for process control or quality assurance. 1.5 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only. 1.6 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 F458 Practice for Nondestructive Pull Testing of Wire Bonds F459 Test Methods for Measuring Pull Strength of Microelectronic Wire Bonds NIST Documents IOLM Class M2-Circul Precision Laboratory Standards of Mass and Laboratory WeightsMilitary Standard MIL-STD 883, Method 2010Keywords ball bonds; shear testing; wire bonding ; ICS Code ICS Number Code 25.160.40 (Welding joints and welds) DOI: 10.1520/F1269-13 ASTM International is a member of CrossRef. ASTM F1269The following editions for this book are also available...This 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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