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KEMAC has more than 15 years of expertise in photo engraving. As an ISO 9001:2008 compliant company, we offer quick-turn prototypes to high volumes, we provide metal etching & secondary operations and specialize in etching Ti, Moly, NiTi, exotic metals and more. Our parts are used in medical devices, electronics, telecommunications, aerospace and automotive industries. Call us today!
As a subsidiary of ESCO Technologies Inc., VACCO Industries is one of the largest photo chemical etching service providers in the western US. Serving industries including aerospace, mechanical & automotive, VACCO is ISO 9001:2000, AS9100 & FDA registered. In addition to a broad range of services provided including laser machining & diffusion bonding, we are your photo engraving specialists.
ID3 produces unique three dimensional name plates and name tags with amazing detail. We offer photo engraving in a variety of materials: aluminum, zinc, stainless steel, brass and plastic. Plastic nameplates come in any color and size you want. Custom nameplates can be etched or branded. Our 3-dimensional and custom nameplates have style, are a cut above the competition, and fit your budget.
Industrial Engraving Solutions specializes in photo engraving. We perform services such as part marking and barcoding, as well as engraving on promotional products and awards for presentations. From aiding in the graphic design process, to the marking of the product, IES is dedicated to providing competitive pricing and a speedy turn around to make your products truly your own.
Industrial Etching, Inc. is a printed, painted and etched product manufacturing from Massachusetts. We offer high quality products and services with dependable deliveries. We have over 50 years of experience and recognize that printing is as much an art as it is a science. Visit our website to learn more about our printing, photo engraving, laminating and protective masking services.
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Industry Information
Photo Engraving
Photo etching and engraving is often used not only on metals, but on glass as well; this technique allows photos or complex images to be engraved rather inexpensively into decorative items. Like chemical milling and etching, the first step to photo engraving is to clean the metal surface. Next a thin layer of photoresist is laid on the area to be etched. This photoresist protects the metal surface not being engraved but also breaks down under targeted ultraviolet light exposure over the metal surfaces which are to be engraved. The developing process, as with photography, can be reversed; positive or negative working photoresists may be used.
After the photoresist has been applied, the metal is exposed to a precise light pattern. Negative and positive working photoresists achieve different types of images and desired results. If the photoresist is negative working, the exposed portion will protect the metal while the unexposed portion will dissolve away when chemicals are applied. If the photoresist is positive working, the metal portion exposed to light will dissolve under chemicals while the rest remains. After the metal has been exposed to a light pattern, a specific chemical will be applied in varying strength and force, again, depending on the desired depth of cut, sideways etch, etc. After the acid has achieved its desired etch, both the ferric chloride and the remaining photoresist are stripped. The metal is polished, any irregularities in the cut are burnished, and the etching is finished. The benefits of using photo engraving as opposed to regular chemical milling or manual engraving are substantial. Chemical milling requires parts of the masking to be cut and removed, whereas with photo engraving, the surface merely needs to be exposed to a pattern of light and the photoresist rinsed. Photo etching allows for much more complex patterns and images to be laid and this is often the only way to etch photos or intricate designs. Photo etching is achieved more quickly and cost-effectively than regular chemical milling.
