Please use this identifier to cite or link to this item:
http://hdl.handle.net/10397/565
DC Field | Value | Language |
---|---|---|
dc.contributor | Department of Applied Physics | - |
dc.contributor | Materials Research Centre | - |
dc.creator | Or, DSW | - |
dc.creator | Chan, HLW | - |
dc.creator | Lo, VC | - |
dc.creator | Yuen, CW | - |
dc.date.accessioned | 2014-12-11T08:28:13Z | - |
dc.date.available | 2014-12-11T08:28:13Z | - |
dc.identifier.issn | 0885-3010 | - |
dc.identifier.uri | http://hdl.handle.net/10397/565 | - |
dc.language.iso | en | en_US |
dc.publisher | Institute of Electrical and Electronics Engineers | en_US |
dc.rights | © 1998 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. | en_US |
dc.rights | This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder. | en_US |
dc.subject | Bonding | en_US |
dc.subject | Piezoelectric transducers | en_US |
dc.subject | Wire bonding | en_US |
dc.subject | Ultrasonic transducers | en_US |
dc.title | Dynamics of an ultrasonic transducer used for wire bonding | en_US |
dc.type | Journal/Magazine Article | en_US |
dc.identifier.spage | 1453 | - |
dc.identifier.epage | 1460 | - |
dc.identifier.volume | 45 | - |
dc.identifier.issue | 6 | - |
dc.identifier.doi | 10.1109/58.738285 | - |
dcterms.abstract | The vibration displacement distributions along a transducer used in ultrasonic wire bonding were measured using a heterodyne interferometer, and many nodes and anti-nodes were found. A mechanical finite element method (FEM) was used to compute the resonant frequencies and vibration mode shapes. The displacement distributions of the dominant 2nd axial mode agreed well with the measured values. Undesirable nonaxial modes, including the higher order flexural and torsional modes, also were excited at frequencies very close to the working frequency (2nd axial mode) of the transducer. Hence, the measured displacements were the resultant of all the allowable modes being excited. However, the excitation of these nonaxial modes were small enough not to affect the formation of consistent and high quality wire bonds. Results of the present study were used to determine a suitable location for installing a piezoelectric sensor to monitor the bond quality. | - |
dcterms.accessRights | open access | en_US |
dcterms.bibliographicCitation | IEEE transactions on ultrasonics, ferroelectrics, and frequency control, Nov. 1998, v. 45, no. 6, p. 1453-1460 | - |
dcterms.isPartOf | IEEE transactions on ultrasonics, ferroelectrics, and frequency control | - |
dcterms.issued | 1998-11 | - |
dc.identifier.isi | WOS:000078031200004 | - |
dc.identifier.scopus | 2-s2.0-0032208347 | - |
dc.identifier.eissn | 1525-8955 | - |
dc.description.oa | Version of Record | en_US |
dc.identifier.FolderNumber | OA_IR/PIRA | en_US |
dc.description.pubStatus | Published | en_US |
Appears in Collections: | Journal/Magazine Article |
Files in This Item:
File | Description | Size | Format | |
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wire-bonding_98.pdf | 349.9 kB | Adobe PDF | View/Open |
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