SMARTWIN Encoders Empower Semiconductor & 3C Electronics Manufacturing: Micron-level Positioning & Ultimate Reliability

SMARTWIN Encoders Empower Semiconductor & 3C Electronics Manufacturing: Micron-level Positioning & Ultimate Reliability

In processes including semiconductor packaging and testing, wafer dicing, die bonding, AOI inspection, as well as 3C electronics production such as irregular cutting of mobile phone panels, camera module assembly and flexible screen lamination, equipment is required to achieve micron-level resolution within millimeter-scale moving strokes. Though traditional linear encoders deliver high resolution, their glass substrates are prone to micro-deformation under temperature variation and mechanical vibration, and demand extremely strict clean working conditions. Even tiny particles attached to the scale surface may trigger reading errors. Nevertheless, the post-semiconductor processes and 3C production lines are not completely dust-free. Solder spatter, adhesive volatiles and wear debris are likely to contaminate optical scales. Besides, such equipment usually requires coordinated operation of multiple motion axes. Encoders have to deliver low-latency and highly synchronous real-time feedback to support complex motions like dual-drive gantry movement and high-speed picking. Targeting high-end applications in semiconductor and 3C industries, SMARTWIN Intelligent Equipment carries out system-level optimization for linear motors and high-resolution absolute encoders. It maintains consistent micron-level precision while greatly enhancing resistance to minor contamination and temperature fluctuation, offering a more practical solution for precision electronics manufacturing.

The encoders integrated by SMARTWIN adopt inductive and high-density magnetoresistive subdivision technologies. Without glass scales, they measure positions by sensing magnetic field changes on induction coils or magnetic scales. This working principle enables them to avoid sudden failure caused by oil stains, fine dust or condensed water, a common flaw of optical encoders. In 3C manufacturing equipment such as automatic dispensers and chip mounters where tiny glue mist and solder volatiles inevitably exist, the non-optical design ensures long-term stable signal output. Equipped with built-in precision interpolation algorithms, the encoders fully meet the chip mounting accuracy requirements of semiconductor die bonders. More importantly, they support absolute value communication protocols, enabling equipment to acquire exact axis positions directly after power-on without homing, which is vital for multi-axis linkage and collision prevention in semiconductor production. SMARTWIN further deeply integrates encoders with integrated drive-control technology. It collects feedback data via high-speed real-time fieldbus and applies cross-coupling control for dual-drive gantry systems, limiting the synchronous error of two axes within ±0.5μm and guaranteeing excellent motion rigidity of long-stroke high-precision platforms. Compact and lightweight, these encoders can be embedded into SMARTWIN miniature linear motor modules, perfectly fitting space-limited precision assembly stations in 3C electronics production.

Centering on encoders as core feedback units, combined with self-developed linear motors and drive control systems, SMARTWIN Intelligent Equipment provides a localized technical solution featuring high precision, high reliability and easy integration for domestic semiconductor and 3C manufacturing equipment. Stable nanometer-level motion performance achieved on die bonders, chip mounters and cutting machines will lay a solid fundamental foundation for independent and controllable development of China’s high-end electronic manufacturing industry.