Tony Funderburk is Director of Global Electronics & High Tech PLM Sales at PTC, where provides guidance and support for companies looking to accelerate innovation, manage product complexity, and drive digital transformation through Product Lifecycle Management (PLM) solutions. With more than 25 years of experience in enterprise software sales and leadership, Tony brings deep expertise across the electronics and semiconductor industries, working closely with organizations to improve product development, strengthen collaboration, and build more resilient operations.
Key takeaway: The biggest post-tapeout delays often come from downstream coordination—not chip design. Once a design moves into fabrication, teams must align foundries, OSATs, suppliers, manufacturing, and quality functions using product data that is often fragmented across disconnected systems.
For decades, semiconductor development has treated design as the central challenge: get the silicon right, and the rest follows. That framing no longer fits a market shaped by AI accelerators, advanced packaging, and chiplet architectures.
Global semiconductor sales reached a record $795.6 billion in 2025 and are projected to reach $1.5 trillion in 2026. But as product complexity grows, so does the execution risk that emerges after tapeout—in the operational handoffs, data gaps, and partner coordination needed to move from design completion to production readiness.
The challenge is no longer just getting to tapeout. It’s what happens next.
Why downstream operations are getting harder to manage
Tapeout marks the end of design and the start of a complex production journey. Fabrication, packaging, testing, and validation can add months of execution risk, and delays compound quickly when the right information does not reach the right teams at the right time.
The challenge is structural. Semiconductor companies—especially hybrid IDMs and fabless organizations—must coordinate across a web of external partners:
- Foundries managing wafer fabrication
- OSATs handling assembly and packaging
- Substrate suppliers
- Test houses Internal quality teams
When internal systems are disconnected, that coordination becomes difficult to govern. Product information becomes inconsistent, handoffs become error-prone, and teams work from different versions of the truth.
This is one of the most consequential examples of the hidden cost of disconnected engineering: data fragmentation becomes production delay when information crosses organizational boundaries.
To understand where time is lost, follow the product data.
Where delays and errors actually occur
Foundry handoff and collaboration
Once a design reaches tapeout, the first major handoff—to the foundry—sets the tone for everything that follows. Fabless companies and hybrid IDMs must transfer controlled design data to external fabrication partners while maintaining revision control, audit trails, and process recipe alignment.
When this handoff relies on email, shared drives, or disconnected tools, a missed revision, uncommunicated process constraint, or delayed yield report can stall an entire wafer lot. At leading-edge fabs—where capital requirements can reach over $10 billion dollars—the stakes are significant.
If foundry handoff tests coordination, advanced packaging stress-tests it.
Why Hybrid IDMs Face Semiconductor's Hardest Challenge
Dealing with both internal and external manufacturing entities creates a unique product data challenge.
Read the BlogOSAT coordination and advanced packaging
The packaging phase adds another layer of complexity. Advanced formats such as 2.5D interposers, 3D stacking, and fan-out wafer-level packaging involve die attach, bonding or flip chip, substrate design, encapsulation, and marking—each with its own specifications, materials, and quality requirements.
Yet OSATs often receive this information through spreadsheets and document attachments rather than a structured, governed data pipeline. That creates version risk, limits traceability, and makes supplier collaboration difficult to scale.
The market reflects how critical packaging has become: advanced packaging is projected to reach roughly $80 billion by 2030, driven by AI and chiplet trends. As packaging complexity grows, so does the cost of coordination failure.
Even the best-controlled programs change. The question is whether the change stays controlled.
>> Go deeper: Advanced packaging does more than add another production step. It turns the package into a complex product structure with its own BOM, change, qualification, and traceability requirements. Read Why Advanced Packaging Demands a New Lifecycle Strategy.
Change management across the supply chain
Engineering change orders (ECOs) are unavoidable. Regulatory updates, component obsolescence, yield-driven adjustments, and quality findings all generate changes that must propagate across product definitions, manufacturing processes, and external partners.
The problem is not that changes happen—it’s that poorly managed changes cascade. Late-stage ECOs can introduce risk, trigger production delays, and burden teams with rework. Without a shared system of record, a packaging specification change may not reach the foundry or test team until downstream work has already been completed.
For semiconductor companies serving automotive, aerospace, and medical markets, the burden is even higher. Every change must be documented, reviewed, approved, and traceable from specification to implementation.
Traceability is what makes that control possible.
Product traceability across the back end
Back-end traceability requires connecting each subprocess, material input, equipment interaction, and quality record as a wafer becomes a finished device—from die attachment and bonding through encapsulation and testing.
That is difficult because back-end operations span manual steps, semi-automated processes, and fully automated testing, each producing data in different systems and formats. Without integration across MES, yield management, equipment, and supplier data, quality issues become harder to isolate and compliance evidence becomes harder to produce.
What looks like a data problem quickly becomes a schedule problem.
How collaboration gaps slow time-to-market
Collaboration quality has a direct impact on time-to-market. When product information is accurate, current, and accessible, teams make decisions faster, catch errors earlier, and complete handoffs with less rework. When information is fragmented, delays multiply.
Integrated PLM, MES, and ERP systems give teams a more reliable way to connect product definition, production execution, and business operations throughout NPI. A digital thread extends that visibility across change management, quality, supplier collaboration, and production handoffs.
The challenge is greatest for hybrid manufacturing models, where data handoffs, change governance, and quality traceability must work across both internal and external production boundaries.
Building an AI-Ready Semiconductor Organization
The same connected data foundation that improves downstream coordination also supports AI-readiness.
Read the BlogWhat breaks when product information breaks
When product data is inconsistent or inaccessible at critical handoff points, innovation slows. Engineering teams spend more time reconciling information, NPI programs stall while stakeholders wait for accurate BOMs or updated specifications, and suppliers may act on outdated information that only surfaces as a problem later.
Semiconductor leaders cannot eliminate complexity, but they can govern it.
Taking control of the downstream challenge
Closing the gap between design completion and production-ready delivery requires treating downstream operations as a managed discipline. Semiconductor companies need a governed product data foundation that spans foundry handoffs, packaging BOMs, change workflows, and quality records—while giving suppliers and OSAT partners structured access to current information.
Organizations that get this right do more than reduce delays. They build the operational foundation for faster innovation cycles. In a market where semiconductor companies globally plan to invest about $1 trillion in fabs through 2030, the ability to move from silicon to scale without losing momentum at every handoff is a competitive differentiator.
As advanced packaging and heterogeneous integration reshape semiconductor development, the coordination challenge is moving deeper into the package. Packaging is becoming a key competitive differentiator—and how increasing package complexity is changing what engineering teams need from BOM management, change control, and downstream collaboration.
Why Advanced Packaging Needs a New Lifecycle Strategy
Chiplets and 2.5D/3D packaging have made the package a core product differentiator. Lifecycle management must evolve to match..
Read the BlogFrequently asked questions
What is the biggest bottleneck in semiconductor development after tapeout?
The biggest post-tapeout bottleneck is coordination across foundries, OSATs, suppliers, and internal teams. When product data lives in disconnected systems, version risks and handoff errors can delay production and increase rework.
Why is OSAT coordination particularly difficult in modern semiconductor development?
Advanced packaging formats involve more materials, specifications, and process dependencies. If packaging information is shared through spreadsheets or email, version control and traceability can break down at a stage where precision is critical.
How do engineering change orders (ECOs) affect semiconductor time-to-market?
Late-stage ECOs can trigger production delays, rework, and miscommunication across supply chain partners. Strong change governance helps ensure updates reach the right teams before downstream work is completed.
What role does product traceability play in back-end semiconductor manufacturing?
Traceability helps manufacturers connect materials, process steps, equipment interactions, and quality records from wafer to finished device. Without it, teams struggle to isolate defects, document compliance, and detect quality patterns early.
How much can better downstream coordination improve semiconductor development outcomes?
Connected PLM, MES, and ERP systems help teams align product definition, manufacturing execution, and business operations around governed data. A digital thread extends that visibility across change, quality, suppliers, and production handoffs.
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