"We needed a wet process partner and Baker fit the bill in numerous ways."
–Greg Semas , VP Sales & Marketing, METALAST International

Wet Process Tools for Solar Applications

Baker Solar is dedicated to serving solar PV and clean technology equipment needs from lab to pilot to production scale. Baker has been manufacturing wet process equipment across a wide range of industries for more than 90 years. In 2006, Baker acquired MEI, a global leader in inline wet process tools with more than 350 tools installed worldwide.

Baker offers a complete line of advanced innerlayer and outerlayer wet process equipment to the global PCB industry. With decades of experience in wet process, Baker offers you engineering excellence, innovative design with flawless execution, as well as highly dependable and real-time service and support capabilities. We have served such well-known companies as Sanmina-SCI, Northrop Grumman, and Parlex who have long relied on our commitment to help them meet the most stringent production requirements.

Our clear focus on innovation in design allows us to improve substantially on original specifications, rev to rev, line to line, customer to customer.

Baker Benefits


With FlexTool & FlexTool mini, use only one tool to handle wet chemistries.


FlexTool's inline, batch-size testing yields scalable, reproducible results.

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English-language customer service in your time zone.

Baker Is a One-Stop Supplier for Wet Process Tools with 90 Years of Experience

As a true one-stop supplier, Baker Solar offers complete in-house plastic fabrication capabilities including a 30,000 sq ft facility in Springfield, VT and dedicated machine tools for forming plastic tanks using state-of-the-art constructions. The company also provides complete in-house electrical fabrication capabilities and a full range of wet process automation solutions, including the Baker MaxiM Control System, chemistry maintenance based on time, unit volume, sensors, online analysis (titrations, etc.), automatic chemistry polishing and recycling, and operators' stations with remote supervisory control and long-term tracking and trending.

As a further benefit, Baker Solar has a large ($1 million +) inventory of spare parts, numerous years' experience etching, plating and cleaning difficult parts & components, and worldwide installations. The company prides itself on consistently delivering high-performing systems for challenging customers and applications. Some of these high-end customers include 3M, Sanmina, Boeing, Cherry Semiconductor, Northrop Grumman, GE, Teradyne, Lockheed Martin, Alta Devices, Equity Solar, Mobil Solar (older tool, in daily operation up to 2009).

Don't Just Take Our Word

Baker customers discuss how they rely on Baker technology, support, and service:

"Baker has become an integral component of our strategy providing turnkey solutions to the medical device industry. We needed a wet process partner and Baker fit the bill in numerous ways." Greg Semas, VP Sales & Marketing, METALAST International

"Baker has been the Parlex plating equipment partner for more than 20 years. They have proven themselves repeatedly. Their advanced automation solutions have enabled us to increase yields, while decreasing down-time and adding flexible capabilities to our process window." Arthur Demaso, Chief Chemist, Parlex Corporation, a subsidiary of Johnson Electric

"In my opinion, Baker has proven itself to be the leader in wet process technology innovation. RBP relies on Baker to satisfy our customer's wet process automation requirements, providing opportunities for them to substantially improve yields through product and process refinements." Mark Kannenberg, President, RBP Chemical Technology


M.E. Baker Company is a world wide leader in high-volume wet process equipment with more than 30 years in the printed circuit board (PCB) industry. Customers include 3M, Amphenol, Flextronics, IBM, Lockheed-Martin, Northrop-Grumman, Sanmina-SCI, and others. Headquartered near Boston, MA with international manufacturing facilities, Baker Solar was founded by M.E. Baker to leverage the company's expertise in the solar PV market. With a highly skilled labor force to exceed project requirements, Baker Solar cooperates with leading specialty chemical and turnkey suppliers in the PV industry. Patent pending wafer handling systems unique to Baker Solar offer key advantages to customers.