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🔬 '''Semiconductor''' is a category of electronic component — and by extension, the global industry that designs and manufactures it — that has become one of the most consequential [[Definition:Concentration risk | concentration risks]] and emerging exposure classes in modern insurance portfolios. Insurers encounter semiconductor risk across multiple lines: [[Definition:Property insurance | property insurance]] for fabrication plants (fabs) that can cost tens of billions of dollars to build, [[Definition:Business interruption insurance | business interruption]] cover for the cascading supply-chain effects of a single fab outage, [[Definition:Product liability insurance | product liability]] for chips embedded in safety-critical applications such as autonomous vehicles and medical devices, and [[Definition:Cyber insurance | cyber insurance]] for the sector's vulnerability to intellectual-property theft and state-sponsored attacks.

⚙️ Underwriting semiconductor exposures requires specialist knowledge because the risk profile is unlike most manufacturing classes. A single advanced fab houses extraordinarily expensive equipment — extreme ultraviolet lithography machines alone can exceed $150 million per unit — and operates in cleanroom environments where even minor contamination, seismic vibration, or power fluctuation can destroy weeks of in-process wafers. [[Definition:Loss adjustment | Loss adjustment]] after a fab incident demands semiconductor-specific engineering expertise, and [[Definition:Business interruption insurance | business interruption]] periods can stretch beyond twelve months given the long lead times for replacement equipment and requalification of production lines. Insurers and [[Definition:Reinsurer | reinsurers]] often manage these exposures through [[Definition:Facultative reinsurance | facultative placements]] or specialist facilities, and geographic [[Definition:Accumulation risk | accumulation risk]] is acute because a disproportionate share of advanced chip manufacturing is concentrated in Taiwan, South Korea, and a small number of sites in the United States, Japan, and Europe.

💡 Beyond insuring the chip makers themselves, semiconductors matter to the insurance industry because they sit at the foundation of every digital technology insurers depend on — from [[Definition:Claims management | claims processing]] systems to [[Definition:Telematics | telematics]] devices and [[Definition:Artificial intelligence (AI) | AI]]-driven [[Definition:Underwriting | underwriting]] models. The global chip shortages of 2020–2023 demonstrated how semiconductor supply disruptions propagate through [[Definition:Contingent business interruption | contingent business interruption]] exposures across automotive, healthcare, and consumer electronics policyholders. For [[Definition:Risk management | risk managers]] and portfolio actuaries, the semiconductor industry's combination of extreme asset values, geographic concentration, geopolitical sensitivity, and systemic supply-chain importance makes it a defining challenge of contemporary [[Definition:Large commercial insurance | large commercial]] and [[Definition:Specialty insurance | specialty insurance]] underwriting.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Business interruption insurance]]
* [[Definition:Contingent business interruption]]
* [[Definition:Property insurance]]
* [[Definition:Concentration risk]]
* [[Definition:Supply chain risk]]
* [[Definition:Specialty insurance]]
{{Div col end}}

Definition:Semiconductor - Revision history

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