High‑Speed Adhesive Dispensing System for MiniLED and FPC — 0.01 µL Minimum Deposit

Product Overview

This high‑speed dispensing system is built for dense MiniLED panels and flexible circuit assembly where very small, repeatable drops and fast cycle rates are required. The machine supports micro‑jet, syringe and valve heads to cover nL to µL needs, includes an optional camera for alignment and deposit check, and stores job recipes for consistent production across shifts. Use it when you need reliable micro‑dosing on tight pitch arrays and quick changeover between panel types.

Problem 

MiniLED and fine‑pitch FPC lines fail when glue dots are too large or misaligned, causing poor electrical contact, optical defects or rework.

Cause 

High density pads and tiny targets require very small deposit volumes and precise alignment. Manual methods or low‑precision machines cannot keep repeatable nL drops across thousands of points and do not correct for part shift automatically.

Solution 

This system delivers calibrated micro‑drops (from 0.01µL) with vision‑guided alignment to correct position and rotation before dispensing. Recipe control saves pulse and motion settings, enabling repeat runs with minimal setup. Quick nozzle swap and purge routines reduce maintenance time so production runs remain uninterrupted.

Core Modules

Double-Valve Synchronization Module-1

Synchronous operation of double valves (double heads with position compensation function) 

More efficient operation

Double-Valve Synchronization Module-2

Synchronous operation of double valves (fixed distance between double valves)

More efficient operation
 

Double-Valve Asynchronization Module

Asynchronous operation of double valves

Completion of two dispensing processes in the same machine

Application

• MiniLED array dotting for display panels and backlight units.
• FPC epoxy or bonding dots for connector and pad fixation.
• Sensor and camera module micro‑dosing near optics.
• Pilot and production lines that require both micro‑drop capability and high throughput.

FAQ

Q1: Can this system place 10nL drops on 0.5mm pitch MiniLED?
A1: Yes — with a micro‑jet head and proper vision alignment; provide panel drawings so we can confirm fixture and head choice.

Q2: What head should I choose for higher viscosity adhesives?
A2: Use syringe or valve/auger heads for medium to high viscosity fluids; micro‑jet is for low viscosity nL work.

Q3: How do you prevent nozzle clogging in long runs?
A3: Use low‑dead‑volume micro‑jet heads, run programmed purge cycles, and keep spare nozzles for fast swaps. We include recommended purge recipes.

Q4: How fast can it run for large arrays?
A4: Throughput depends on pattern density and head choice; micro‑jet systems are designed for high point counts. Provide pattern and target cycle time for an exact estimate.

Q5: Do you provide sample testing with my panels and adhesive?
A5: Yes. Send parts and adhesive data (viscosity at working temp and SDS). We run a bench test, return logs and suggested job settings.

About Mingseal

Mingseal is a leading precision dispensing and micro-assembly solution provider, dedicated to delivering advanced, high-speed, and high-accuracy systems for industries like MiniLED, power battery FPC, semiconductor, and consumer electronics. Since 2008, we have supported clients across Southeast Asia and around the world with robust equipment, responsive service, and local technical support—helping them boost yield, reduce cycle time, and advance smart manufacturing.