Changsha Epoch Direct Drive Technology Co., Ltd.

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Perovskite photovoltaic panel precision laser etching equipment

Feature Overview:
Specifically designed for the four etching‑line processes—P1, P2, P3, and P4—used in perovskite module production, this solution leverages the company’s two core strengths: the self‑developed EPK series linear motors with ultra‑low cogging torque and a high‑precision motion‑control platform. It delivers both high‑volume production efficiency and exceptional machining accuracy, emphasizing “high‑efficiency empowerment and superior quality,” while driving the upgrade of cutting‑edge photovoltaic equipment through advanced precision linear servo technology.

Technical Parameter
Describe

Commodity name: Perovskite photovoltaic panel precision laser etching equipment

Technical Specifications:

Equipment Number	EJK0303	EJK1206	EJK1612	EJK2412
Product dimensions	300*300	1200*600	1600*1200	2400*1200
Straightness	±1μm	±2μm	±2.5 μm	±2.5 μm
Repeatability	±0.7 μm	±1μm	±1.2 μm	±1.5 μm
Positioning accuracy	±1μm	±1.5 μm	±1.5 μm	±2μm
Operating speed	1.6m/s	2m/s	2.5m/s	2.5m/s
Positioning method	3 o'clock mark	Visual Tracking	Visual Tracking	Visual Tracking
Product Type	Rigidity	Rigid/Flexible	Rigid/Flexible	Rigid/Flexible
Burrs	<1 μm	<1 μm	<1 μm	<1 μm

Product Description:

1. Leading precision:
· It employs a direct-drive EPK-series linear motor.
· Within a 500 mm stroke, straightness/repeatability ≤ ±1 μm;
· 3000 mm long stroke, motion accuracy ≤ ±2.5 μm;

2. Breakthrough Technologies Addressing Industry Pain Points:
· Visual/Focus Dual-Tracking System: Addresses focus drift and precision degradation during long‑stroke machining.
· PS0 equal-spacing function: When combined with high-speed laser signal control, it ensures uniform spacing of the light spot throughout the entire scan (equivalent to constant speed across the entire segment).
· The equipment can be optionally equipped with an online inspection system.

3. Excellent etching quality:
· Etch linewidth uniformity: 5%–10%; single-pulse energy variation: <±2%.
· The heat-affected zone is less than 2 μm, addressing hidden influencing factors; etching depth variation is under 5%, with burr-free etching that does not compromise subsequent film deposition.

4. 24/7 stable production:
· It employs an imported SP laser, delivering excellent beam quality and robust output stability, making it well-suited for the high‑efficiency performance of perovskite modules.
· Effectively reduces equipment downtime and ensures high line utilization.

5. Intelligent and Simple Operation:
· Full-touch HD control panel, one-button start;
· Intelligent parameter adjustment and mode switching eliminate the need for specialized training, enabling even beginners to get up to speed quickly and reducing labor costs.