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Current IssueThe Hole Truth: Via Integrity in an HDI World
From the drilled hole to registration across multiple sequential lamination cycles, to the quality of your copper plating, via reliability in an HDI world is becoming an ever-greater challenge. This month we look at “The Hole Truth,” from creating the “perfect” via to how you can assure via quality and reliability, the first time, every time.
In Pursuit of Perfection: Defect Reduction
For bare PCB board fabrication, defect reduction is a critical aspect of a company's bottom line profitability. In this issue, we examine how imaging, etching, and plating processes can provide information and insight into reducing defects and increasing yields.
Voices of the Industry
We take the pulse of the PCB industry by sharing insights from leading fabricators and suppliers in this month's issue. We've gathered their thoughts on the new U.S. administration, spending, the war in Ukraine, and their most pressing needs. It’s an eye-opening and enlightening look behind the curtain.
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Merlin Circuit Technology Invest in ESI 5335 Laser Drill Technology
March 19, 2025 | Merlin Circuit TechnologyEstimated reading time: Less than a minute

Merlin has been manufacturing HDI products for more than 15 years, firstly with mechanical drilled micro vias and subsequently laser drilled vias with an ESI 5330 Laser Drill. This is an established technology that has developed and increased in volume over the years, with the increase in demand for these products Merlin has invested in an ESI 5335 Laser Drill
The 5335 incorporates a high-power diode-pumped laser to enable efficient cutting through copper-clad laminates, with a range of parameters to deliver greater swarf / debris removal, thus achieving improved hole wall definition to aid subsequent plating processes and product reliability.
Improved productivity is also gained with operational speeds of up to three times faster than previously possible, the 5335 has a peak move speed of 14,000 points per second @ 250 µm spacing, greater accuracy +/- 20 um over the entire panel with holes down to 0.05um dia.
This is a fantastic investment for Merlin and demonstrates a continued commitment to invest in the technologies required to service a developing and demanding circuit board industry at the highest level.
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