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ASTM F459-13
Standard Test Methods for Measuring Pull Strength of Microelectronic Wire Bonds
STANDARD published on 1.1.2013
The information about the standard:
Designation standards: ASTM F459-13
Note: WITHDRAWN
Publication date standards: 1.1.2013
SKU: NS-55378
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: American technical standard
Category: Technical standards ASTM
The category - similar standards:
Annotation of standard text ASTM F459-13 :
Keywords:
microelectronic wire bonds, pull strength, wire bonds, ICS Number Code 29.120.20 (Connecting devices)
Additional information
| Significance and Use | ||
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5.1 Failure of microelectronic devices is often due to failure of an interconnection bond. A common type of interconnection bond is a wire bond. These methods can assist in maintaining control of the process of making wire bonds. They can be used to distinguish between weak, nonadherent wire bonds and acceptably strong wire bonds. The methods are destructive. 5.2 These test methods are appropriate for on-line use for process control, for purchase specifications, and for research in support of improved yield or reliability. The referee method should be used for quantitative comparison of pull strengths of wire bonds. |
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| 1. Scope | ||
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1.1 These test methods cover tests to determine the pull strength of a series of wire bonds. Instructions are provided to modify the methods for use as a referee method. The methods can be used for wire bonds made with wire having a diameter of from 0.0007 to 0.003 in. (18 to 76 μm). 1.2 These test methods can be used
only when the loop height of the wire bond is large enough to allow
a suitable hook for pulling (see Fig. 1) to be placed under the
wire.
FIG. 1 Suggested Configuration for a
Pulling Hook
1.3 The precision of these methods has been evaluated for aluminum ultra-sonic wedge bonds; however, these methods can be used for gold and copper wedge or ball bonds.1.4 These 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 A nondestructive procedure is described in Practice F458. 1.6 The values in SI units are to be regarded as standard. 1.7 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. |
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| 2. Referenced Documents | ||
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