Tide Rock, a San Diego-based unlevered buyout firm, has acquired Specialized Coating Services (“SpecCoat”), a conformal coating company headquartered in Fremont, Calif., which provides essential protective coatings for electronic components and printed circuit boards (PCBs).

SpecCoat has a new facility in the Boston, Mass., area. The coating processes it offers are designed for use in harsh-environment applications in the space, aerospace, military and defense, medical, commercial and renewable energy markets. SpecCoat’s capabilities include customizable liquid and parylene conformal coating, underfill, staking, encapsulation, potting and nano coating, along with prototyping, subassembly, PCB cleaning and ionic testing services.