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Scanning Electron Microscopy (SEM) is one of the most important imaging techniques used in semiconductor failure analysis. While optical microscopes remain extremely useful for initial inspection, many semiconductor defects are simply too small to characterize adequately with visible-light microscopy. SEM uses a focused beam of electrons rather than light, allowing engineers
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Many semiconductor failure-analysis techniques require direct access to structures that are hidden inside an IC package. The semiconductor die, bond pads, bond wires and other critical components may be completely covered by epoxy molding compound or other packaging materials. Before these structures can be examined using techniques such as optical microscopy, emission
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Integrated circuits can fail for many different reasons. Some failures originate inside the semiconductor die, while others result from packaging, manufacturing, assembly, electrical overstress or the environment in which the device operates. Common IC failure mechanisms include electrostatic discharge (ESD), electrical overstress (EOS), electromigration, dielectric breakdown, interconnect defects, corrosion, contamination, thermal
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Once an electrical failure has been localized inside an integrated circuit, the next challenge is determining what physically went wrong. Was a metal interconnect broken? Did a via fail? Is there contamination between two structures? Has a dielectric layer broken down? Is a transistor structure abnormal? Or did the failure originate in the
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When an integrated circuit fails, one of the first questions is: How is the device failing electrically?
A chip may exhibit excessive leakage current, a short circuit, an open connection, abnormal supply current, a parametric shift or a complete functional failure. Before engineers physically cut into the device, they usually
When a semiconductor device fails, the visible damage is not necessarily the root cause. A damaged metal line, cracked package, leaking transistor or burned bond wire may be the final result of a sequence of events rather than the original problem. The purpose of the semiconductor failure analysis process is therefore to
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When an integrated circuit fails, identifying the damaged component is only part of the challenge. Engineers must determine where the failure occurred, what physical or electrical mechanism caused it, and ultimately why it happened. This requires a combination of specialized IC failure analysis techniques. Some techniques detect electrical abnormalities without physically altering
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Launching a hardware startup is difficult. Launching a semiconductor startup is even more complex. Unlike software, where products can be tested, fixed and released quickly, an ASIC project requires careful planning, strong technical execution and the right partners from the very beginning. One mistake in architecture, verification, physical design or
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Sony Semiconductor Solutions and Taiwan Semiconductor Manufacturing Company have signed a non-binding memorandum of understanding to explore a strategic partnership for the development and manufacturing of next-generation CMOS image sensors. Under the proposed structure, the two companies intend to establish a joint venture in Japan, with Sony expected to be
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Semiconductor Design and Verification Services: From Specification to Tape-Out
Developing a semiconductor device requires much more than writing RTL or creating circuit schematics. A successful chip project needs a complete design and verification flow that can reduce risk before tape-out and improve the chance of first-pass silicon success.
Semiconductor