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Kulicke & Soffa supplies machines that semiconductor manufacturers and outsourced assembly and test providers use to assemble chips into packages. Most revenue comes from wire bonding, which connects chips using fine wires. Customers buy its equipment to add capacity or improve production capabilities. It also sells advanced packaging equipment, including APTURA, which bonds copper connections directly in packages built from multiple chiplets rather than relying on wires.
The company also sells replacement tools, spare parts and consumables, and maintains and upgrades equipment. These aftermarket sales depend more on how many semiconductor devices customers produce, while equipment demand follows their more cyclical spending on factory capacity. The business therefore depends both on customers’ investment decisions and on their continued use of wire bonding.
Customers are concentrated in Asia-Pacific, and China-headquartered customers supply most revenue. A small group of customers accounts for a large share of sales; Tianshui Huatian Technology is a significant customer. U.S. export controls restrict sales of certain advanced packaging products: affected products cannot be sold to Huawei and other companies on the Entity List, and other sales may require export licenses or face end-use restrictions.
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Kulicke & Soffa depends on semiconductor assembly investment; watch rivals ASM Pacific Technology and BE Semiconductor Industries, absent from this list, and customer Tianshui Huatian, which contributed 12% of fiscal 2025 revenue.
ChipMOS buys Kulicke & Soffa wire bonders to assemble chips for its customers, so its equipment purchases directly matter to Kulicke & Soffa sales. Watch its spending on assembly capacity rather than treating growth in testing revenue as equipment demand.
Cohu and Kulicke & Soffa both depend on semiconductor factories running and investing: Cohu sells testing and inspection systems and replacement interface products, while Kulicke & Soffa sells assembly machines and aftermarket tools. Watch Cohu’s system sales for equipment spending and its recurring product and service revenue for ongoing factory activity.
ASE’s packaging utilization and expansion help gauge demand for the assembly equipment Kulicke & Soffa sells to chip factories; ASE earns fees for packaging and testing customers’ chips. Watch its packaging capacity plans, rather than its electronics manufacturing revenue, for the closer connection to Kulicke & Soffa.
Amkor’s need for packaging capacity drives demand for the kind of assembly equipment Kulicke & Soffa sells; chipmakers and chip designers pay Amkor to package and test their devices. Watch expansion in advanced packaging, including 2.5D integration, alongside Kulicke & Soffa’s bonding systems for 2.5D and 3D packages.
Nordson competes for semiconductor-equipment business with Kulicke & Soffa, which explicitly names it as a major rival. Nordson sells manufacturers precision dispensing and quality-inspection systems; watch product improvements in speed, yield and process control, factors that Kulicke & Soffa says determine equipment competitiveness.
Applied Materials and Kulicke & Soffa draw on semiconductor manufacturers’ investment budgets: Applied sells equipment to make chips and build advanced packages, while Kulicke & Soffa sells assembly equipment. Applied’s advanced-packaging business is the closer area to watch for spending relevant to Kulicke & Soffa.
Lam Research shares Kulicke & Soffa’s exposure to memory and logic manufacturers’ investment cycles, selling equipment to fabricate chips rather than assemble them. Watch memory makers’ equipment spending: lower purchases in memory and general semiconductor markets helped reduce Kulicke & Soffa’s ball-bonding revenue in fiscal 2025 versus fiscal 2024.
FormFactor and Kulicke & Soffa serve different steps in the same chip-production chain: factories buy FormFactor probes and systems to test wafers, and Kulicke & Soffa equipment and consumable tools to assemble chips. Watch FormFactor’s probe-card business for exposure to production volumes and more complex devices, alongside Kulicke & Soffa’s aftermarket tools and advanced-packaging systems.
Veeco and Kulicke & Soffa both depend on semiconductor and advanced-packaging investment: manufacturers buy Veeco’s processing equipment and Kulicke & Soffa’s bonding and other packaging systems. Watch Veeco’s Semiconductor business, which includes advanced packaging, rather than its hard-disk-drive equipment business.
KLA and Kulicke & Soffa both rely on chipmakers’ manufacturing investment, but KLA sells equipment to control processes and improve yields while Kulicke & Soffa sells assembly equipment. Watch KLA’s Semiconductor Process Control business for chip-factory spending, keeping its maintenance and support revenue separate from new-equipment sales.
Lam Research Corp earningsLRCX
Lam Research's report will show whether memory makers are spending more on chip-fabrication equipment, a relevant but indirect signal for demand for Kulicke & Soffa's Ball Bonding equipment.
Read Lam Research's memory-equipment demand alongside Kulicke & Soffa's Ball Bonding Equipment sales. Stronger memory-equipment spending would point to a better market backdrop for Kulicke & Soffa's related equipment; weaker spending would point to continued demand pressure. Lam sells chip-fabrication equipment, not Kulicke & Soffa's bonding tools, so Kulicke & Soffa's own sales remain the test.
Amkor Technology Inc earningsAMKR
Amkor's report will show whether it is expanding advanced-packaging capacity, a key source of potential demand for Kulicke & Soffa's bonding systems for advanced packages.
Focus on Amkor's advanced-packaging capacity plans, not all of its packaging business as a proxy for equipment demand. Faster expansion would point to more investment in 2.5D and other advanced packages, widening the potential market for Kulicke & Soffa's related bonding systems; slower plans would mean fewer such growth opportunities. Amkor's expansion does not confirm an order from Kulicke & Soffa, so the report signals the market's direction, not a sale.
ChipMOS TECHNOLOGIES INC earningsIMOS
ChipMOS buys wire bonders from Kulicke & Soffa, so its report on assembly-capacity spending offers a direct read on demand from this customer.
Watch ChipMOS's investment in chip-assembly capacity, not growth in its testing revenue as a stand-in for equipment purchases. Higher assembly investment would show this customer expanding relevant capacity and could create more buying opportunities for Kulicke & Soffa's wire bonders; lower investment would point to weaker direct demand. The conclusion rests on ChipMOS's assembly spending, not whether its total revenue grows.
Kulicke & Soffa Industries Inc earningsThis company
Kulicke & Soffa's report will show whether bonding-equipment orders are turning into shipments and profit, or whether customer mix and pricing pressure are still weighing on results.
Focus on sales and gross margin in Ball Bonding Equipment, Kulicke & Soffa's largest segment; gross margin is the share of sales left after product costs. Then check whether orders and backlog turn into shipments. Stronger sales and margins alongside conversion into shipments would show demand improving business results; weaker sales or margins, or orders that do not become shipments, would show demand, customer mix or pricing still weighing on results. The company says most orders can be cancelled or deferred, so more orders alone do not prove revenue will follow.
Nordson Corp earningsNDSN
Nordson's report will show whether its semiconductor-equipment products are improving in speed, yield and process control—factors that shape its competition with Kulicke & Soffa.
Watch Nordson's semiconductor-equipment product updates, especially on speed, yield and process control. Clear improvement would mean Nordson is offering a stronger alternative and could raise the pressure on Kulicke & Soffa to win equipment business; limited improvement would offer less evidence that competition is intensifying. The report cannot show that Kulicke & Soffa won or lost a customer; it shows whether Nordson's product offering is getting stronger.
