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IEC 60749-22-1 Ed. 1.0 en:2025

Semiconductor devices - Mechanical and climatic test methods - Part 22-1: Bond strength - Wire bond pull test methods
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IEC 60749-22-1 Ed. 1.0 en:2025

Semiconductor devices - Mechanical and climatic test methods - Part 22-1: Bond strength - Wire bond pull test methods

IEC 60749-22-1 Ed. 1.0 en:2025

IEC 60749-22-1:2025 provides a means for determining the strength and failure mode of a wire bonded to, and the corresponding interconnects on, a die or package bonding surface and can be performed on unencapsulated or decapsulated devices.

This test method can be performed on gold alloy, copper alloy, and silver alloy thermosonic (ball and stitch) bonds made of wire ranging in diameter from 15 µm to 76 µm (0,000 6" to 0,003"); and on gold alloy, copper alloy, and aluminium alloy ultrasonic (wedge) bonds made of wire ranging in diameter from 18 µm to 600 µm (0,000 7" to 0,024").

This wire bond pull test method is destructive. It is appropriate for use in process development, process control, or quality assurance.

This test method allows for two distinct methods of pulling wires:

  • a) One method incorporates the use of a hook that is placed under the wire and is then pulled.
  • b) One method requires that after the wire be cut, a clamp is placed on the wire connected to the bond to be tested, and this clamp is used to pull the wire.

This test method does not include bond strength testing using wire bond shear testing. Wire bond shear testing is described in IEC 60749-22-2.

This first edition, together with the first edition of IEC 60749-22-2:2025, cancels and replaces the first edition of IEC 60749-22 published in 2002.

This edition includes the following significant technical changes with respect to the previous edition:

  • a) Major update, including new techniques and use of new materials (e.g. copper wire) involving a complete rewrite as two separate subparts (this document and IEC 60749-22-2).

This International Standard is to be used in conjunction with IEC 60749-22-2:2025.

SDO IEC: International Electrotechnical Commission
Document Number IEC 60749
Publication Date Not Available
Language en - English
Page Count 66
Revision Level 1.0
Supercedes
Committee 47
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