Manufacturing context
Sun & Lynn Circuits lists rigid PCB — standard process range in its official manufacturing documentation. Maximum layer count: 40 layers, standard column. Maximum board thickness: 5.5 mm, standard column. Copper thickness: Up to 6 oz, standard column. Mechanical drill / pad: 0.20 / 0.40 mm; not a finished-hole guarantee. Standard rigid-PCB column only. Advanced 48-layer, 12 oz and differential ±6% entries are excluded. A 0.20 mm mechanical drill is not entered as a finished-hole limit. Which stack-up, laminate grade, finished copper and acceptance criteria will be used for this board?
Official company source reviewed- Manufacturing focus
- Multilayer rigid PCBs · HDI and rigid-flex · Flexible circuits
- Published footprint
- Guangdong
- Listing and account
- Independently researched · factory account not claimed
Rigid PCB — standard process range
Manufacturer reportedStandard rigid-PCB column only. Advanced 48-layer, 12 oz and differential ±6% entries are excluded. A 0.20 mm mechanical drill is not entered as a finished-hole limit.
- Layer count
- Up to 40 layers
- Line / space
- 0.075 / 0.075 mm
- Finished hole
- Not confirmed
- Impedance
- ±8%
| Maximum layer count | 40 layers, standard column |
|---|---|
| Maximum board thickness | 5.5 mm, standard column |
| Copper thickness | Up to 6 oz, standard column |
| Mechanical drill / pad | 0.20 / 0.40 mm; not a finished-hole guarantee |
| Technical source | slpcb.cn · Manufacturer specification |
These are separate published limits, not a promise that every combination is manufacturable. Unknown values are excluded from numerical filtering.
Know what has been checked.
The website review establishes the source of a statement. Independent UL ownership, equipment and material checks are tracked separately.
UL ownership
Not independently verifiedNo supporting record has been reviewed for this category.
Qualification request: Legal holder, manufacturing address and current UL recognition.
Equipment & in-house processing
Not independently verifiedNo supporting record has been reviewed for this category.
Qualification request: Machine inventory, location and evidence that the relevant process runs at the quoted site.
Material traceability
Not independently verifiedNo supporting record has been reviewed for this category.
Qualification request: Laminate grade, supplier documentation and traceable production-batch records.
Sources & review record.
Reviewed 2026-09-21. Manufacturer pages can change; confirm the current revision when requesting a quotation.
- Sun & Lynn Circuits — product and technical documentationhttp://www.slpcb.cn/PCBcapability.htmlSource checked 2026-09-21Official website
- Sun & Lynn Circuits — company informationhttp://www.slpcb.cn/Source checked 2026-09-21Official website
- Sun & Lynn Circuits — company informationhttp://www.slpcb.cn/SlpcbNews-75.htmlSource checked 2026-09-21Official website
- Sun & Lynn Circuits — company informationhttp://www.slpcb.cn/PCBProductRight-371.htmlSource checked 2026-09-21Official website
Company names and images identify the source manufacturer. Listing does not imply endorsement, partnership, account participation or completion of a factory audit.
Make the first technical conversation useful.
Which stack-up, laminate grade, finished copper and acceptance criteria will be used for this board?
Attach the manufacturing brief
Layer stack-up, finished dimensions, copper weights, laminate grade, quantity and delivery destination.
Define acceptance
Finished-hole tolerance, impedance targets, coupon requirements, surface finish and permitted process substitutions.
Confirm the recipient
Agree the manufacturing legal entity, confidentiality terms and approved site before sharing production files.