LaserMicroFab Launches Laser-Cut SMT Stencils for Fine-Pitch Electronics Assembly
Apertures cut finer than the foil, with smooth burr-free walls for clean paste release, in framed, frameless, and step formats from prototype to volume
SHENZHEN, China -08/31/2026- LaserMicroFab, a precision laser micromachining company, has launched a laser-cut SMT stencil product line for electronics and EMS manufacturers. The stencils are cut in stainless steel foil to each customer’s aperture design, with a focus on the aperture geometry and wall quality that decide whether solder paste releases cleanly onto the board.
Print quality in surface-mount assembly is largely set at the stencil. When apertures are too small for the foil thickness or their walls are rough, paste stays in the aperture and deposits starve, while apertures that are too large or too close bridge and short. LaserMicroFab cuts apertures finer than the foil is thick, which chemical etching cannot do because of its thickness limit and undercut, and holds smooth, burr-free, oxide-free walls that let paste release cleanly. That combination is where fine-pitch work succeeds or fails.
The stencils support the aperture reductions and area-ratio targets that fine-pitch components require, with feature positions held to within 0.005 mm under vision alignment. Foils are offered across the common thicknesses used to set paste volume, along with step stencils that thin the foil over fine-pitch zones while keeping it thicker elsewhere, so a single stencil can serve a board that mixes small chips with large components. Framed, frameless, step, and quick-turn prototype formats are available. Work is carried out under an ISO 9001 quality system with full lot traceability, with quotations returned within one working hour and simple prototypes in as little as three hours.
The product line is aimed at fine-pitch and miniaturized assemblies, including 01005 and 0201 chips, micro-BGA and CSP packages, fine-pitch QFP, and QFN thermal pads, across contract manufacturing, consumer electronics, automotive, medical, and industrial electronics.
Where a board calls for it, secondary options such as electropolishing or a release coating can further improve paste transfer and are available on request, and stencils can be supplied as bare foils or mounted to a frame the customer specifies.
“On a fine-pitch board, the stencil is doing more of the work than people expect, and area ratio decides whether a deposit forms at all,” said Zora Li, a manufacturing engineer at LaserMicroFab. “Cutting apertures finer than the foil is thick, with smooth walls, is what lets a small aperture still release. We review the paste layer and flag the apertures that will struggle before a stencil is ever cut.”
Customers can request a quotation by sending Gerber data with the solder paste layer, along with the foil thickness and format they need.
About LaserMicroFab
LaserMicroFab provides precision laser micromachining of metal components for the semiconductor, electronics, medical, and aerospace industries. Its capabilities include laser cutting, drilling, and micro-feature machining of thin and medium metal, with controlled heat input, burr-free edges, and features held to micron tolerances, from prototype sampling through volume production. Work is carried out under an ISO 9001 quality system with full lot traceability. More information is available at LaserMicroFab.
Media Contact
Company Name: LaserMicroFab
Contact Person: Zora Li
Email: [email protected]
Website: https://www.lasermicrofab.com/