1/ What Sales Term Carven provides?
A:
We provide EX-work from WuXi plant shipped either by Air or Sea, with options FCA Shanghai, CIF and DDU to point of destination.
2/ What are the lead times of Carven for producing sample and mass production?
A:
For quick sample, we offer 3 – 6 working days with premium charge imposed. For normal sample and mass production, lead times are 2 weeks and 4 weeks respectively.
3/ How can I get a quote from Carven?
A:
Please provide drawing and Gerber file via our quotation or email to admin@carvencircuits.com.hk
4/ How can I pay?
A:
Please make payment by T/T to our account. Additional charge is levied if payment is made by Bank cheque.

Click here to Download Carven Bank Details
5/ What will be happened if I made the payment later than agreed payment terms?
A:
2% interest/ month will be incurred. Further penalties such as shortening credit terms, credit hold and legal proceedings may be incurred for continuous arrears.
6/ Are the gerber files safe when I submit them to Carven for manufacturing?
A:
We value copyright and confidentiality as we treat all your data/ information with great care. If required, non-disclosure agreement is welcome
7/ What is the minimum order value (MOV) for a part number?
A:
USD 2,000 per order for PCB. USD 4,000 per order for PCB with PTF. However, if value is below MOV, we welcome batch order with agreed price to allow a more flexible total purchase order value.
 
1/ What kind of surface finishing are recommend with respect to the applications?
2/ What copper thickness option do I have?
A:
We can offer 18 um (1/2 oz) to 105 um (3oz) copper thickness.
3/ What soldermask colors are available for the PCBs?
A:
For standard production orders, we offer green soldermask for them. Also, we can provide other colours upon request.
4/ What is Carven's maximum and minimum drill size I can use in the design?
A:
6.5mm (260 mils) and 0.3 mm (12 mils)
5/ What is Carven's standard laminate and copper thickness?
A:
Our standard laminate is FR-4, thickness of 1.5 mm (0.062") with panel size 18 inches x 24 inches. We offer 0.5 – 2.0 oz base copper and plated to 3 oz. For thicker finish copper requirement, please contact our engineering team.

Click here to Download Carven Laminate Spec - FR-4 (Doosan)
Click here to Download Carven Laminate Spec - FR-4 (Shengyi)
Click here to Download Carven Laminate Spec - CEM-1 (Doosan)
6/ Are Carven's products UL approved?
A:
Our products are 94V-0 approved. Boards will bear UL logo upon request, otherwise we shall only put our company logo with weekcode.
 
7/ What soldermask does Carven use for production?
A:
We use green Liquid Photo Imagable (LPI) Soldermask for our PCB production.
8/ What action should be taken if I need to make changes once the design has started?
A:
Once your order is confirmed, changes can be made by emailing us at admin@carvencircuits.com.hk with detail description of engineering changes. The order will put on hold and revision change will be reviewed by our APQP team. These changes will be confirmed by email and subject to re-quote; re-schedule or scrap WIP at customers' account.
9/ Does Carven have a PCB Sample Book for customers to review?
 
Click here to read the
FAQ
Click here to read the
FAQ
 
1/ Which quality specification does Carven apply?
We apply latest IPC standard particularly on IPC-600. AQL level and SPC are our standard in house quality practice.
2/ What quality standard does Carven certify?
A:
Carven received ISO9001, ISO/TS16949 and incorporated with ISO14001 in our system.
 
3/ What quality system does Carven implement?
A:
Please find the details for Carven's Quality System
4/ What can I do if I receive unsatisfied PCB?
A:
You should send us an e-mail quality@carven.com.cn with photo documenting the defect details. If the issue is proved to be our fault, we shall take obligatory action as per item no. 7 "Complaint and Return" of "Terms and Conditions of Sales and Delivery".
5/ How does Carven perform an electrical test on our boards?
A:
All boards are 100% electrically tested. The open short test will be conducted either by bed of nail e-tester or by flying probe. For mass production, bed of nail e-test fixture is applicable for high runner. Flying probe tester which has constraint on productivity, are only applicable for sample or small quantity parts.
6/ What inspection document does Carven provide with each shipment?
A:
For usual practice, we will ship the goods with Certificate of Analysis (COA) in every shipment.