Solder mask – gloss or no gloss (that’s the question)

When electronic assemblies are inspected with the aid of an AOI-system (Automated Optical Inspection), it sometimes happens that products are rejected based on deviating colour or degree of gloss. Often the bare board supplier gets the blame or there is [...]

By |2024-11-05T11:01:06+01:005 November 2024|Categories: IPC, PIEK|Tags: , , , , |

Training Calendar 2025

The PIEK training course calendar 2025 for open registration courses is now available. Here you can find a complete overview of all regional and online courses: https://piektraining.com/en/training-calendar/. In 2025, you can choose from training courses at the following locations: Heerlen, [...]

By |2024-10-08T09:03:29+02:0030 September 2024|Categories: PIEK|Tags: , , , , , , , , , , |

Replacing BGA-components, is it really that difficult?

This question we hear at our trainings from time to time. We sometimes even encounter “artists” that have already tried to replace BGA’s (Ball Grid Arrays) with common household appliances and tools. This includes tools such as paint strippers etc. [...]

By |2024-04-23T14:09:36+02:0023 April 2024|Categories: PIEK|Tags: , |

Rework, Repair, Touch-up; Do you know the difference?

In practice, many people do not seem to be clear about what is meant when they talk about rework, repair and touch-up. In this article we will try to provide some clarity. A wire in a wiring harness is [...]

By |2024-03-19T09:49:02+01:0029 February 2024|Categories: PIEK|Tags: , , , |

Qualified Rework of Ball Grid Array (BGA)

The qualified rework of a Ball Grid Array (BGA) involves the reworking of a BGA component on a circuit board, i.e. replacing a defective BGA or removing and properly replacing an incorrectly positioned BGA. What are BGA‘s? BGAs are microprocessors/components [...]

By |2024-09-03T08:59:10+02:0014 February 2024|Categories: PIEK|Tags: , |

Hand soldering workshop and free ticket to productronica 2023

PIEK invites you to participate in a hand soldering workshop. The workshops will be held on Tuesday, Wednesday and Thursday during the 2023 productronica Fair in Munich. Send an email to workshop@piektraining.com to sign up for an available time slot. [...]

By |2023-10-25T13:03:54+02:0025 October 2023|Categories: PIEK|Tags: , , |

Why is it important to test your solder baths for contamination?

During the immersion, wave or selective soldering processes and in the HASL finish application processes, metals will dissolve in the liquid solder. The degree of dissolution depends on the base materials used (finishes on tracks and component leads/metallization’s), solder [...]

By |2023-10-25T11:43:57+02:0025 October 2023|Categories: IPC, PIEK|Tags: |

Strong partners for years: Weller and PIEK

For PIEK, the go-to educational centre for the electronic interconnect industry,continual cooperation with customers and other stakeholders is the basis of the corporate philosophy. This also goes for Weller, the expert in anything related to manual soldering. Weller is [...]

By |2023-10-26T15:10:40+02:0024 October 2023|Categories: PIEK|Tags: , |