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GESP Technology

15+Years Devoted to PCB Solutions & Manufacturing

PCB Design

PCB Design

Getting it right at the design stage can make all the difference between a product meeting expectations and failing to live up to the expectations of functionality or performance. It does not mean that the product is faulty – given that acceptance or rejection criteria cannot be established without standards on which to base those criteria. However, setting expectations is only one part of what we do. We see PCB design support not only as defining what we need, but also what we do with design from receipt of data through to the finished product.

GESP Tech´s quality assurance through standards

All of GESP Tech’s companies are members of IPC, which, combined with our quality assurance activities, offers customers numerous advantages:

  • GESP Tech ensures that our PCBs produced in line with the latest standards.
  • GESP Tech backs-up its quality improvement work with full IPC membership.
  • Through GESP Tech’s IPC membership customers can indirectly influence the way standards developed.
  • Communication is active in technical / acceptance areas due to a standardized language used.
  • Fault analysis can be rapidly conducted by applying IPC standards.
  • Standards clarify customer requirements, assuring the right quality level. Even without end customer specifications, IPC standards used as a minimum.

Beyond IPC

IPC is the most widely recognized set of acceptance standards within the PCB industry. However, GESP Tech has acknowledged that tighter control of the accepted requirements may be beneficial in some instances. That, as well as more stringent criteria when identifying and quantifying standards in the end customer´s procurement document, something that is not necessarily familiar to all customers. In such instances, GESP Tech provides customers with additional quality assurance through defining the details which go beyond IPC.

Navigating through and identifying the applicable IPC specifications can be a minefield. That is why the GESP Tech General PCB requirements document is a comprehensive standard, which surpasses in many instances, the requirements of IPC, to ensure that we build in quality from the very start of PCB production.

  • Identifying and reinforcing the critical IPC standards to ensure we / the factories do not miss anything
  • Applying GESP Tech class 3 as the norm for certain aspects
  • Setting specific requirements on test / optical inspection of our PCBs
  • Minimizing reworks where we can to ensure reliability is not compromised.
  • Applying GESP Tech engineering expectations and accepted approaches when controlling data
  • Not accepting track repairs.
  • Ensuring we know precisely how builds constructed
  • Quantifying solder mask and peelable mask thickness for our products
  • Applying GESP Tech cosmetic expectations and acceptable repair criteria
  • Promoting/Implementing cleanliness standards which are no prerequisites
  • Implementing essential manufacturing best practices
  • Applying design guidelines and other acceptance criteria on HDI products
  • Setting GESP Tech specific qualification and release expectations as target

Preventing perfectly wrong boards

Even with tight control over the manufacturing process, it is equally essential that the data is handled with strong disciplines & processes to ensure that what we build is correct – we aim to get it right, from the very start. To achieve this, GESP Tech never makes assumptions with Gerber data, never allows changes to be made without written authorization and reviews data to ensure that errors have not built in a design stage. These disciplines avoid issues as the parts proceed through volume production.

Interestingly, more than 30% of the Gerbers we review have problems, such as ambiguous information, missing info, design rule problems, etc. With our team of experienced Technicians, we can solve problems which might not discover until the product assembled.

PCB design support: Example of Gerbers with missing info.

pcb design

The two drawings show what GESP Tech actively looks for and illustrate the points referred to above, may typically find and also what we do not change/amend before written authorization provided.

Best possible fit – working to factory strengths and capabilities

GESP Tech does not fit the factory to the design, but rather, to reduce unnecessary complexity and risk, we fit the right design to the right factory. This measure makes a massive difference in that GESP Tech works to the strengths and capabilities of the factories.

This awareness achieved through detailed knowledge of our factory capabilities and a real understanding of their technology and performance monthly. This information is provided to our account management and customer service/support teams so that we can compare technical capability to design requirements right from the very start of the quoting process. This measure is an automated process, which provides alternatives concerning price, as well as technical capability. Having the best possible options is a prerequisite for manufacturing the highest quality products. GESP Tech has 22 quality-assured, proven factories and ensures that there are always several factory options could manufacture. Naturally, GESP Tech will then always be in a position to choose and work with the factory that is best suited to the job.

What technology factors influence the price of the PCB

Several factors affect the price of the printed circuit board – including size, batch quantity, choice of materials, layer count and specifications & tolerances. GESP Tech’s technical support team is always on hand to offer helpful advice on designs and ideas that can avoid unnecessary expense while at the same time ensuring that the design and the printed circuit board itself is ideally suited to the end application.

Is there a risk that advice provided can increase the price of the PCB? In some instances, yes, especially at the prototype stage where perhaps more attention needs to be focused on the lowest total cost for when that product is to produce in volume, and the real benefits of lowest value is most important. In many cases, dedicated prototype manufacturers do not know cost variations created by understanding the impact (on price) of laminate brands & type selection, solder mask availabilities, panel utilization, tolerancing and other factors that are so critical to get right at volume PCB factories. This process is where the concept of GESP Tech´s seamless production does add value.

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