SVG
Thermco 5000 Diffusion
Provisional entry — research in progress
This page was generated automatically from cited public sources and hasn't completed the full research pass yet. Every specification shown carries its source; more detail is added as research completes.
What it is
General reference — not yet source-verifiedThe SVG Thermco 5000 Diffusion Furnace is a thermal diffusion furnace used in semiconductor manufacturing.
How it works
The Thermco 5000 series uses independently controlled heating zones, controlled gas delivery, and furnace control hardware for recipe execution and temperature management.[3]
Where it fits in the process flow
General reference — not yet source-verifiedDiffusion furnaces sit in the thermal-processing part of the fab flow, after wafer formation steps and before later integration steps that depend on heat-treated films, junctions, or surface modification.
Applications
The Thermco 5000 series is used for processes including silicon nitride, polysilicon, TEOS LTO, BPSG, high-temperature oxide, high vacuum hydrogen anneal, dry oxide, wet oxide, POCl3 or BBr3 steps, forming gas anneal, high-temperature drive-in, alloy or temperature anneal, and hydrogen anneal.[3]
What do the numbers mean?
Wafer handling1
Configuration & options4
Vintage & configurations
Where are the manuals?
Generated from public-source data on file. Enter your email to access — nothing is published; details are routed privately.
Not publicly documented
Field notes
No research found yet — worked with this tool? Share what you know.
Frequently asked questions
How does a diffusion furnace achieve uniform processing across a batch of wafers?General reference — not yet source-verified
Uniformity is achieved through careful design of the heating zones, precise temperature control, consistent gas flow dynamics, and the use of baffles or other hardware. The tube geometry and boat design also contribute to even exposure of all wafers to the process ambient.
What types of gases are commonly used in diffusion furnaces?General reference — not yet source-verified
Typical gases include oxygen for oxidation, nitrogen as an inert purge or carrier, and dopant sources such as diborane, phosphine, or liquid dopant precursors. The specific gas mix depends on the desired process—for example, dry oxidation uses pure oxygen, while wet oxidation adds hydrogen.
How is the temperature profile controlled in a diffusion furnace?General reference — not yet source-verified
Multiple independently controlled heating zones along the tube allow the operator to set a temperature profile that is flat or tapered. Thermocouples inside the tube provide feedback to the controllers, enabling the system to maintain the set profile within tight tolerances during the process cycle.
What are common maintenance considerations for diffusion furnaces?General reference — not yet source-verified
Regular maintenance includes cleaning the quartz tube to remove deposits, replacing heater elements as they age, calibrating temperature sensors, and verifying gas delivery system integrity. The boat and hardware must also be inspected for contamination or damage to maintain process quality.
Not publicly documented
The following facts about the Thermco 5000 Diffusion are absent from this record as of this revision. First-hand knowledge or a citation closes a gap; every submission is reviewed before publication.
No publicly documented production dates or lifecycle milestones (introduction, end of production, EOL) for the Thermco 5000 Diffusion are on record.
Answerable by: OEM historical records or a trade-press announcement
The control-system platform and OS era of the Thermco 5000 Diffusion are not on record.
Answerable by: an engineer who operated it or OEM installation records
No publicly documented failure modes or field errata for the Thermco 5000 Diffusion are on record.
Answerable by: a field service engineer, process engineer, or maintenance technician
The process node or technology generation of the Thermco 5000 Diffusion is not on record.
Answerable by: an OEM datasheet or a fab qualification report
No publicly documented compatible parts, consumables, or accessories for the Thermco 5000 Diffusion are on record.
Answerable by: an OEM parts catalog or a service engineer
No research found yet — worked with this tool? Share what you know.
Sources & citations
Sources (3)Every fact above is drawn from these public sources
- [1]Inventory photo
- [2]Inventory photo
- [3]thermcosystems.com — thermcosystems.comthermcosystems.com
Last updated Oct 7, 2026.
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