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CNC machined semiconductor part Precision semiconductor component
On-Demand CNC Platform

Precision RF & Microwave Components
Machining

We machine RF and microwave components for San Francisco semiconductor and defense teams. Waveguide housings, filter bodies, resonator cavities, and coaxial connector flanges from aluminum, brass, and Invar.

Securely upload your 3D CAD file for immediate pricing and DFM feedback.

Ultra-Clean Machining
Tight-Tolerance Capability
Material Traceability
Fast Engineering Review
5-Axis
Multi-axis capability
for complex geometries
RivCut capability
±0.001"
Standard tolerances
on milled features
RivCut standard
3-Day
Rush turnaround
available on prototypes
Simple geometries
Class
Cleanroom-compatible
machining processes
Contamination control

CNC Machined RF & Microwave Components for Technology Teams

RF and microwave teams in San Francisco need components with precise cavity dimensions and clean surface finishes. We machine aluminum, brass, and Invar RF filter bodies, waveguide sections, and resonator cavities to ±0.0005" on critical dimensions. CMM inspection on every order.

1

RF-Grade Materials

Aluminum, brass C360, and Invar with full material certs.

2

Cavity Precision

±0.0005" on resonator cavities and waveguide port dimensions.

3

RF QC Docs

CMM inspection reports on every RF component order.

The City Designs Chips — and Needs Hardware to Test Them

San Francisco proper hosts semiconductor design offices for AMD, NVIDIA, and dozens of AI chip startups in SoMa and the Financial District. These teams need machined test fixtures, prototype packaging, and evaluation board hardware with the speed and cleanliness their tapeout schedules demand.

RivCut gives SF semiconductor design teams instant quoting on precision-machined test hardware and prototype fixtures with semiconductor-grade cleanliness.

AMD — San Francisco

CPU and GPU designer with local teams requiring prototype test fixtures and packaging hardware.

NVIDIA — Santa Clara/SF

AI chip giant with SF engineering presence driving test fixture and prototype machining demand.

AI Chip Startups — SoMa/FiDi

Dozens of venture-funded AI chip companies needing prototype test and packaging hardware.

Bay Area Semiconductor Design Hub

The densest concentration of chip design talent in the world, all needing precision machined hardware.

What San Francisco Semiconductor & Electronics Teams Usually Order

Typical quantity2–10 units · replacement parts and small production runs
Common materialsAluminum 7075-T6
Key requirementUltra-clean machining, contamination-free packaging, full material traceability
Typical lead time5–10 business days · rush available for equipment down situations
Who ordersEquipment engineers and procurement at fab tool OEMs

RF & Microwave Parts for San Francisco Teams

Waveguide housings, filter bodies, resonator cavities, and coaxial flanges machined to print.

Waveguide Housings

Aluminum waveguide housing sections with precise port dimensions, flange mating surfaces, and iris locations.

WR-series ports

RF Filter Bodies

Aluminum and brass filter body cavities with precise resonator diameters and coupling iris dimensions.

Resonator precision

Resonator Cavities

Invar and aluminum microwave resonator body cavities with ultra-precise internal dimensions.

Invar stable

Coaxial Connector Flanges

Aluminum and brass SMA, N, and TNC connector flanges with precise bore and center pin dimensions.

Coax interfaces

Transmission Line Parts

Aluminum and copper stripline and microstrip substrate carrier plates with tight flatness requirements.

Flatness 0.001"

Matching Network Plates

Aluminum impedance matching network housings with precise tuning screw and port dimensions.

Tuning precision
Materials
6061 Al, 316L SS, Hastelloy, Ceramics
Tolerances
Down to ±0.0002"
Finishes
Electropolish, Anodize, Passivation
Documentation
Material certs & surface finish verification
Case Study
Equipment Bracket Assembly
8 units · 3-axis from 6061-T6 plate · Fab tool program
Material
Al 6061-T6
Tolerance
±0.001"
Surface
Ra 32 µin
Lead Time
6 business days

8 Brackets. 6 Days. Clean-Room Ready.

A Bay Area semiconductor equipment team needed structural brackets with precise mounting hole patterns and contamination-free surfaces for clean-room installation. Teams near companies like AMD — San Francisco trust this kind of precision and documentation rigor.

Every part shipped with full documentation:

  • CMM dimensional report — all mounting features verified
  • Material cert with heat lot traceability
  • Surface finish verification per drawing callout
  • Cleaning and packaging cert per OEM spec
Ultra-Precision CNC Machining
CNC Machining Process
CNC Machined Wafer Handling Part
Wafer Handling Component

What San Francisco Semiconductor & Electronics Buyers Should Know

AI chip startups need prototype hardware yesterday

San Francisco AI chip companies raise $100M+ and need machined test fixtures before their next board meeting. Speed is everything.

City shops are rare — most machining is in the South Bay

San Francisco proper has very few CNC shops. Most semiconductor machining for SF design teams happens in Santa Clara or Fremont.

Packaging prototypes validate before expensive tooling

Fabless chip companies use machined package prototypes to validate thermal and electrical performance before committing to production tooling.

Venture timelines drive procurement urgency

When a chip startup raises a round, prototype hardware orders happen within weeks. Your machining partner needs instant quoting and fast turnaround.

When Your Local Shop Can't Keep Up

When equipment builds surge, local shops prioritize their biggest accounts. We give you fixed lead times, ultra-clean machining, and full material traceability — every time. San Francisco's semiconductor & electronics sector demands it.

Documentation-Ready

Dimensional reports, material certs, and process records ship with every order — no chasing paperwork after delivery.

Full Material Traceability

Every bar ships with mill certs and heat lot numbers. Full chain of custody from raw stock to finished part.

CMM Inspection, Every Part

NIST-traceable CMM verification on every critical dimension before anything ships. No sampling — we inspect every part.

5–7 Day Prototype Turnaround

Most first articles ship in under a week. Rush available for simpler geometries. Confirmed ship date at order.

Quality Standards & Certifications
Active
NIST-Traceable CMM
All measuring equipment calibrated to NIST standards. CMM inspection on every order.
Active
Material Traceability
Every order ships with mill certs, heat lot numbers, and material test reports.
Active
Contamination Control
Clean machining processes and contamination-free packaging for cleanroom compatibility.
Active
Full Material Traceability
Every order ships with mill certs and heat lot traceability for fab tool compliance.

Need our full quality documentation? Email us — we'll send everything your team needs.

From File to Part in 3 Steps

Simple, clear, and designed for fast-moving teams.

Step 1

Upload & Quote

Upload your STEP or IGES file, select material and finish, and get an instant AI price. Every quote includes a free DFM review.

Step 2

We Machine & Inspect

Parts run on our CNC mills and lathes with CMM inspection on every order. We verify every critical dimension before shipping.

Step 3

Ship with Full Docs

Your order ships with dimensional reports, material certs, and full paperwork — everything your quality team needs.

Questions from San Francisco Semiconductor & Electronics Teams

Yes. We machine waveguide housings, filter bodies, and resonator cavities for RF and microwave companies across the US, including San Francisco, California. Upload your STEP file for instant pricing.
We machine aluminum 6061, brass C360, Invar 36, copper, and silver-plated aluminum for RF and microwave applications. Teams working near companies like AMD — San Francisco in San Francisco count on this level of precision.
We hold ±0.001" on general features and ±0.0005" on critical resonator cavity dimensions and waveguide port dimensions.
Most RF filter and waveguide prototypes ship in 5 to 7 business days. Rush available on simpler filter bodies.
We machine aluminum waveguide sections to print and coordinate with plating vendors for silver or gold plating.
Upload your STEP at rivcut.com/quote or email hello@rivcut.com.

Semiconductor & Electronics CNC Machining in Other Cities

We serve semiconductor teams in cities across the US.

Upload Your CAD File

RF & Microwave Components, structural brackets, housings, and more — we machine them all. Most orders ship in 5 to 7 business days.

No minimums · 100% Made in USA · Never brokered · Ships anywhere in the US

Currently accepting new projects