Machine-translated from Japanese. Please refer to the original for technical details.
Last Updated: November 7, 2026
[Latest Update: November 7, 2026] Added reports on damage to the factory building and alternative supply sources following the fire at the Panasonic Taiwan plant
On November 4, 2026, a fire accompanied by an explosion broke out at a Panasonic Group factory in Hukou Township, Hsinchu County, Taiwan. According to the Hsinchu County Fire Department, five people were injured, and two employees who had been reported missing were confirmed dead on November 5.
Panasonic confirmed to Reuters that an explosion had occurred at its Taiwan facility and explained that it is investigating the details and cause of the accident. Fire authorities have stated that damage extended across a wide area of the building; however, the extent of damage to individual manufacturing facilities, the date of resumption of operations, and the impact on shipments of specific product grades remain undetermined.
Confirmed Facts
- Location: A factory in Hukou Township, Hsinchu County, operated by Panasonic Industrial Devices Materials Taiwan.
- Time of incident: According to the Hsinchu County Fire Department, the fire broke out around 2:00 a.m. on November 4. The fire was extinguished by noon on the same day.
- Factory Operations: The factory conducts research, development, and manufacturing of printed circuit board materials and semiconductor packaging materials.
- Casualties: Five people were injured, and two deaths have been confirmed.
- Unconfirmed Details: The extent of damage to production equipment, the duration of the production halt, the resumption date, shipment delays by customer, price revisions, and supply allocations have not been disclosed.
[Confirmed November 7] Damage to the factory building, resumption date, and alternative production at other sites
Fire Department’s On-Site Explanation: Local newspapers reported that during an on-site inspection on November 4, the Hsinchu County Fire Chief explained that the burned area covered approximately one-third of the factory premises—over 10,000 square meters—and affected the first through third floors.This description refers to the extent of the fire and does not imply that one-third of Panasonic’s manufacturing capacity has been suspended. The amount of damage per piece of equipment and the percentage of equipment still operational have not been determined.
Resumption of Operations and Alternative Production (Information Based on Media Reports):According to Postation, an industry publication citing a November 5 report in the Nikkei, Panasonic Industry explained that the building sustained significant damage and that there is no timeline yet for resuming production at the Hukou plant; the company is reportedly coordinating alternative supplies with its MEGTRON production sites in Japan, China, and Thailand.However, this is based on media reports and does not constitute a delivery schedule or supply guarantee via an official press release. Publicly available information does not confirm the specific part numbers, quantities, start dates for supply, or whether certification is required for the alternative sources.
Impact on Procurement Operations: If you are using CCL or prepreg sourced from the Hukou plant, even if the same material name can be produced at an alternative facility, a change in the manufacturing location may require customer approval and a re-evaluation of quality. PCB manufacturers should confirm the exact part numbers of the materials used, the manufacturing locations, the quantities already secured, the approval conditions for a plant change, and whether a shipment guarantee is in place.
Source: On-site explanation by the Director of the Hsinchu County Fire Department (November 4, local media report) / Postation (November 5, reporting based on an interview with the Nikkei). Neither of these is a list of products subject to shipment suspensions by manufacturers.
Supply Impact Reported in the Market
Based on local reports, TrendForce News reported that if the shutdown at the Hukou plant is prolonged, it could affect approximately 4% of the global supply of high-performance CCL. This figure of approximately 4% is not an official announcement from Panasonic but a market estimate based on the market share of the MEGTRON series and the production ratio at the Hukou plant.
Reports also differ regarding the materials produced and developed at the Hukou plant. While some reports indicate that M6 is the main product, others suggest it serves as a supply hub for advanced materials, including M7 and M8. To determine whether the material grades currently in use or the manufacturing sites are affected by this incident, confirmation from PCB manufacturers or material manufacturers is required.
The Role of the Taiwanese Facility as Confirmed by Official Panasonic Information
According to Panasonic Taiwan’s official corporate information, Panasonic Industrial Devices Materials Taiwan (PIDMTW) is described as a facility responsible for manufacturing materials for multilayer printed circuit boards, as well as IC substrate materials and high-frequency (H/F) materials.Therefore, this incident warrants close attention not only for general PCB materials but also for the procurement of materials used in advanced substrates and high-speed transmission applications.
Additionally, on October 30, 2026, Panasonic Industry announced that it would expand production capacity for MEGTRON high-performance multilayer substrate materials in Suzhou, China, and Ayutthaya, Thailand, to meet demand for AI servers.The company states that it will establish a supply system for high-performance multilayer PCB materials across five global sites: Koriyama, Suzhou, Guangzhou, Taiwan, and Ayutthaya. While this announcement does not guarantee alternative supply following the fire at the Taiwan plant, it confirms that Panasonic is expanding its supply capacity across multiple locations.
Impact on Procurement
For AI servers, optical communication equipment, and high-speed network equipment, design evaluations and customer approvals may be required to find alternatives to CCL with low transmission loss. It is not possible to conclude that there will be a shortage of all MEGTRON products or across-the-board price increases based solely on the occurrence of this incident.
On the other hand, for projects where supplies of high-performance CCL or glass cloth are already tight, a prolonged suspension of operations could affect material allocations and PCB delivery schedules. It is necessary to verify not only finished PCB inventory but also the materials used, manufacturing plants, secured materials, and the status of alternative certifications.
Actions Purchasing Personnel Should Take
- For each PCB part number, verify the CCL manufacturer, material name, MEGTRON grade, and manufacturing plant.
- Inquire with the PCB manufacturer regarding the quantity of materials secured prior to the accident, the next scheduled delivery date, the guaranteed shipment date, and whether partial shipments are possible.
- If materials from the Kokou Plant are being used, confirm supply allocations, price revision notices, and the projected timeline for resuming operations with the manufacturer or authorized distributors.
- Evaluate alternative CCLs with the design and quality departments based on Dk, Df, thermal expansion coefficient, copper foil, lamination conditions, reliability, and customer approval.
- Do not make blanket additional purchases based solely on market estimates; instead, prioritize based on confirmed demand and PCBs for which finding substitutes is particularly difficult.
Practical Comments from AI Components
At this point, it is crucial to distinguish between the occurrence of a fire and the confirmation of a supply disruption. According to publicly available information we have verified, there is no confirmed impact on the production or shipment of individual materials. However, for AI servers and high-speed communication equipment that use high-performance CCL, please confirm the manufacturing locations of the materials as soon as possible.
Even if semiconductors are secured, products cannot be assembled if there is a shortage of certified CCL or finished PCBs. It is necessary to compile PCB part numbers, material grades, required quantities, and desired delivery dates, and manage materials and the PCB manufacturing process as an integrated whole.
Consultation on Procurement of PCB Materials and Long-Lead-Time Components
Please provide the PCB part number, material grade, complete part numbers for electronic components, required quantities, desired delivery dates, and whether substitutes are available. At AI Components, we assess the supply status of electronic components and semiconductors, as well as related PCB material risks, on a project-by-project basis.
Consult AI Components Regarding PCB and Electronic Component Procurement
Reference Information
Reuters: Fire at Panasonic Factory in Taiwan (November 4, 2026)
Reuters: Deaths of Two Missing Persons Confirmed (November 5, 2026)
Central News Agency, Taiwan: Announcement by the Hsinchu County Fire Department (November 5, 2026)
TrendForce News: Market Forecast for High-Performance CCL Supply (November 5, 2026)
In 2026, procurement risks for electronic devices extend beyond DRAM and semiconductor ICs. Rising raw material prices and supply constraints for printed circuit boards (PCBs) are also affecting delivery schedules for AI servers, telecommunications equipment, and industrial equipment.
On August 6, 2026, Panasonic Industry officially announced price revisions for printed circuit board materials.Effective for shipments leaving the factory on September 1, prices for CCL and prepregs used in general multilayer boards will increase by 30% compared to current prices, while prices for low-transmission-loss materials MEGTRON and XPEDION will rise by 15%.On October 7, Z2Data analyzed supply constraints for multiple materials, including glass cloth and copper foil. We will examine the price adjustment rates confirmed by manufacturers separately from the market outlook provided by the research firm.
Confirmed Facts: PCB Material Price Adjustments and Supply Constraints
Panasonic Official Announcement: 15–30% Price Adjustments for CCL, Prepregs, and Other Products
According to the “Notice Regarding Price Adjustments for Printed Circuit Board Materials” released by Panasonic Industry on August 6, 2026, the adjustment rates vary by product group.The adjustments will apply to shipments leaving the factory on or after September 1, 2026 (Ex-Factory basis) and are not uniformly based on order dates or delivery dates to customers.
| Affected Materials (Panasonic) | Announced Price Adjustment Ranges |
|---|---|
| General Multilayer Board Materials: Copper-Clad Laminates (CCL) and Prepregs | +30% |
| Low-Transmission-Loss Multilayer Board Materials: MEGTRON/XPEDION CCL and Prepregs | +15% |
| Substrate Materials: LEXCM GX CCL and Prepregs | +30% |
| Glass composite substrate materials: CEM-3 | +30% |
| Flexible substrate materials: FCCL | +15% |
The affected factories include Koriyama, Yokkaichi Minami, Guangzhou, Suzhou, Taiwan, and Ayutthaya. These are Panasonic’s published manufacturer prices for the relevant materials.This does not indicate that finished PCBs or materials from other manufacturers have uniformly increased in price by 15–30%. Actual price pass-through to PCB manufacturers and delivery schedules will vary depending on material composition, inventory levels, contract terms, and manufacturing processes.
Source: Panasonic Industry, “Price Revision for Printed Circuit Board Materials” (August 6, 2026)
Lengthening Lead Times for PCBs Used in Optical Transceivers
In March 2026, a Broadcom executive explained that lead times for PCBs used in optical transceivers had extended from approximately 6 weeks to approximately 6 months.Reports also cited constraints on the production capacity of PCB manufacturers in Taiwan and China. This refers to a specific case at a specific time and does not mean that all PCBs have a six-month lead time.
Materials: CCL, Glass Cloth, Copper Foil
An analysis by Z2Data dated October 7, 2026, cites CCL, prepreg, glass cloth, copper foil, and epoxy resin as the main constraints.The report also highlights instances of long lead times and material allocation restrictions for certain CCL grades. However, the price increase rates and lead times indicated by the research firm cannot be treated as definitive estimates for all manufacturers and product types.
[Update: October 21, 2026] Unimicron: Forecasts a supply gap of up to approximately 20% for key materials in 2027
Confirmed remarks: Chairman Jian Shan-jie of Unimicron, a major Taiwanese IC packaging substrate manufacturer, addressed supply constraints regarding low-thermal-expansion glass cloth, CCL, and ABF at the TPCA Show on October 20, 2026.According to on-site reporting by the Economic Daily News, he explained that lead times have lengthened for over 80% of equipment, with some critical equipment facing lead times of up to 30 months. This refers to the procurement lead time for substrate manufacturing equipment; it does not mean that the delivery time for finished PCBs ordered by customers is 30 months.
Forecast (Unconfirmed): The chairman indicated the possibility of a supply-demand gap of approximately 20% for certain key materials in 2027. At the same time, he explained that the actual shortage rate will depend on future demand.This is not confirmed information from manufacturers indicating that there will be a 20% shortage of all PCB materials or that prices for all finished PCBs will rise by 20%. Regarding these remarks, we have not been able to confirm any manufacturer-specific PCNs, price lists, or delivery time guarantees for individual part numbers.
Implications for Domestic Procurement: Distinguish between high-performance IC boards for AI applications and general-purpose PCBs. Then, prioritize organizing the following information: the grade of critical materials used, material suppliers, approved alternatives, PCB part numbers, mass production volumes, and the required delivery dates in 2027.Whether supply constraints will affect your company’s projects must be verified on a case-by-case basis for each actual manufacturer and material composition.
On-site reporting: Economic Daily News (October 20, 2026, speech by the Chairman of Unimicron Electronics) / Summary of reports by TrendForce News. This is based on on-site reporting of the speech, not on official written notifications from the manufacturer.
In its official product information, Nitto Boseki explains that it provides T-glass, which features low thermal expansion and high elasticity, and NE-glass, which features low dielectric constant and low dielectric loss tangent, for printed circuit boards, semiconductor package substrates, and high-speed communications.Due to differences in material properties, it is not necessarily possible to simply switch to materials from other manufacturers or off-the-shelf products.
AGC also explained in its 2026 semiconductor-related business briefing that the CCL market is growing, particularly for AI applications, and that supply and demand for glass cloth are tight. This information comes from the material manufacturers and does not guarantee the prices or delivery times of individual PCBs.
Points to Note When Confirming Prices and Delivery Times
| Scope | What to Check | Points Easily Overlooked |
|---|---|---|
| CCL (Copper-Clad Laminate) | Material manufacturer, grade, board thickness, copper thickness, material allocation | Even within the same FR-4 series, electrical, thermal, and quality conditions may vary |
| Glass Cloth and Prepregs | Glass type, resin type, Dk/Df, CTE, certification requirements | Re-evaluation or customer approval may be required when substituting materials |
| Copper Foil and Multilayer Wiring | Copper thickness, surface roughness, signal loss, lamination process | For high-frequency and high-speed transmission applications, compatibility cannot be determined based on unit price alone |
| PCB Manufacturing Process | Factory, number of layers, vias, surface treatment, inspection, confirmed production slots | Even if materials arrive, shipment may be delayed due to insufficient production capacity |
Impact on procurement: Even if ICs arrive, products cannot be assembled
If you focus solely on semiconductor inventory and lead times while putting PCBs on the back burner, you won’t be able to start the assembly process even if you’ve secured the necessary ICs. This is particularly true for high-performance materials used in high-speed communications, high-layer-count boards, and AI server applications, where design and reliability evaluation—in addition to material procurement—can affect delivery times.
Note that general-purpose PCBs for assembly and semiconductor package substrates are separate product categories. While they may share some material constraints, production capacity and lead times should not be conflated.
Future Outlook: Distinguishing Facts from Predictions
If priority production of high-performance PCBs for AI applications and the concentration of material demand continue, this could spill over to affect prices and delivery times for PCBs used in general industrial equipment. However, this is a risk scenario regarding procurement. There is no confirmed evidence of across-the-board price increases for all product types, inevitable stockouts, or the resolution of shortages at specific times.Verification by factory, material, and part number is required.
Five Actions Purchasing Managers Should Take
- Centralize management of the component BOM and PCB specifications. Include the PCB part number, revision number, number of layers, CCL material part number, copper thickness, surface treatment, and supplying factory in a management spreadsheet.
- Verify price terms and delivery dates by production process. Verify whether the materials used are subject to Panasonic’s price revisions by cross-referencing material part numbers and factories. After confirming the quote revision date, its application to existing orders, and the breakdown of material and processing costs, confirm with the PCB manufacturer which stage—material procurement, lamination, processing, inspection, or transportation—will affect the delivery schedule.
- Discuss alternative materials with the design and quality departments in advance. Clarify the requirements for Dk/Df, thermal expansion, reliability, certifications, and customer approval.
- We recalculate the delivery date for the finished product. We compare the arrival date of the semiconductor MPN with the guaranteed PCB manufacturing date and prioritize managing the slowest process step.
- Evaluate overseas suppliers from a quality perspective as well. Verify the factory, manufacturing history, inspection records, change notices, shipping, and return policies.
Practical Comments from AI Components
In projects with PCB supply constraints, simply purchasing semiconductors ahead of schedule will not improve the delivery date of the finished product. It is important for the design, manufacturing, and procurement departments to share an understanding of which materials and processes determine the delivery date.
Panasonic’s 30% price adjustment for CCL and prepreg is based on official manufacturer pricing information, not estimates from research firms. However, it cannot be assumed that the procurement price of finished PCBs will necessarily increase by 30%. It is important to cross-reference the materials used in each PCB part number, price adjustment notices from suppliers, and the effective shipment dates.
Rather than bulk-purchasing all PCBs based on market reports, you should confirm the confirmed demand from key customers, the difficulty of material qualification, and the feasibility of alternatives, and then set priorities accordingly.
Frequently Asked Questions
Will the lead time for PCBs in 2026 be a uniform six months?
No. The approximately 6-month lead time is based on reported cases involving certain PCBs for optical transceivers. Lead times vary depending on the materials and manufacturing facilities, ranging from standard PCBs to those using high-layer-count and low-loss materials.
Will switching to CCL or glass cloth from other manufacturers solve the problem?
Not necessarily. You’ll need to verify electrical characteristics, dimensional stability, reliability, certifications, and manufacturing conditions.
Inquiries Regarding Long PCB Lead Times and Electronic Component Procurement
When making an inquiry, please provide the complete part number (MPN) for electronic components and semiconductors, the required quantity, desired delivery date, target price, whether substitutes are available, and any related PCB part numbers, revision numbers, material grades, and key specifications.AI Components assists in confirming domestic and international inventory levels, potential suppliers, lead times, availability of alternatives, and traceability for electronic components and semiconductors. We will advise on the feasibility of arranging PCB manufacturing itself on a case-by-case basis. Specific inventory levels, prices, and lead times cannot be guaranteed prior to investigation.
Procurement Consultation via the AI Components Official Website
Related Market Information
- Market Information on DRAM and HBM Supply Shortages
- Market Information on MLCC Supply Shortages
- Procurement Risks for Enterprise SSDs and NAND
Reference Information
- Panasonic Industry: Price Revision for Printed Circuit Board Materials (August 6, 2026)
- Nitto Boseki Official: Electronic Materials Business and Specialty Glass
- Nitto Boseki Official: Glass Cloth for Printed Circuit Boards
- AGC: Explanation of Semiconductor-Related Businesses (June 2026)
- Reuters: Comments by a Broadcom Executive on Supply Constraints (March 24, 2026)
- Z2Data: Analysis of PCB Material Supply and Prices (October 7, 2026)
*This analysis is based on publicly available information as of November 7, 2026. Details regarding damage to production equipment from the fire at the Panasonic Taiwan plant, the timing of operations resumption, and shipment delays, price revisions, or supply allocations for specific materials have not been confirmed in the publicly available information reviewed.The impact on the supply of high-performance CCL (“approximately 4%”) is a market estimate and not an official figure from Panasonic. Panasonic’s price adjustment rate for August 2026 refers to published figures for specific materials and factories and does not imply uniform application to finished PCB products or other manufacturers.Specific inventory levels, prices, and delivery dates must be confirmed on a case-by-case basis for each model number, material grade, and manufacturing site.
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