Chip-scale encoder provides precision control
An
Inmoco product story
Edited by the Engineeringtalk editorial team
Dec 27, 2007
The compact ChipEncoder fits in spaces too small for other encoders, yet it offers up to 100 times more resolution than competing devices.
Available now from Inmoco, the miniature high-performance CE300 ChipEncoder from MicroE Systems helps OEMs enhance their motion control designs.
Measuring just 7 x11mm, it provides up to 100 times more resolution than competing devices: 3000 to 327,000 quadrature counts per revolution, or 10 to 1um linear.
Small size, high speed, onboard interpolation and digital output improve system accuracy and stability, as well as enabling easy integration with OEM PCB designs for lowest total motion system cost.
Designed for automated manufacturing, the CE300 is compatible with pick and place and solder reflow systems, and is cost-effective for OEMs with volumes of 500 or more per year.
The encoder offers all the benefits of an integrated circuit: chip-sized packaging, cost savings through integration with customer electronics, and compatibility with automated manufacturing equipment.
Plus, the ChipEncoder is RoHS compliant and, importantly, requires no alignment following final assembly.
Based on a 40um-pitch diffractive scale, the system's integral interpolation electronics can deliver up to 1um linear resolution at high speed.
A noncontact optical system delivering high levels of reliability, the ChipEncoder includes either a linear or rotary glass scale, and a BGA packaged sensor that integrates into customers' own PCB design.
In addition, just one model works in both linear and rotary designs and the unit's three-channel differential output offers users the benefit of an index.
For applications where higher performance than the ChipEncoder is required, Inmoco offers the MicroE Systems miniature Mercury family of encoders.
These deliver up to 268 million counts per revolution, and can be provided as an EMI-shielded encoder with a cable and connector.
There are 29 models in programmable, digital, analogue, multi-axis and vacuum styles.
Mercury encoders give designers the flexibility to use metal tape scales, glass linear and glass rotary scales.
Mercury encoders are the smallest, fastest and smartest 20um encoders on the market.
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