Location History:
- Somerset, GB (1996)
- Frome, GB (1996 - 1998)
Company Filing History:
Years Active: 1996-1998
Title: Wrenford John Thatcher: Innovator in Image-Forming Processes
Introduction
Wrenford John Thatcher is a notable inventor hailing from Frome, GB. He has made significant contributions to the field of image-forming processes, holding a total of four patents. His innovative work has had a considerable impact on circuit board technology.
Latest Patents
One of Wrenford's latest patents is an image-forming process that involves the formation of a patterned resist of a photocurable material on a circuit board. This process includes several steps: forming a layer of an aqueous emulsion of a photocurable material upon the circuit board, drying the layer to a substantially dry and non-tacky state, imagewise exposing the layer to radiation to cure portions of the layer exposed to the radiation, and removing unexposed portions of the layer by washing with water. In a preferred embodiment, the photocurable material is an organic solvent solution of an epoxy acrylate derived from an epoxy novolac resin that has been carboxylated to render it alkali-developable.
Career Highlights
Wrenford John Thatcher is associated with Coates Brothers Plc, where he has been instrumental in developing innovative coating compositions and their use as solder resists. His work has contributed to advancements in the manufacturing processes of electronic components.
Collaborations
Wrenford has collaborated with notable coworkers, including Nicholas Eric Ivory and Michael Jeffries, who have also contributed to the field of circuit board technology.
Conclusion
Wrenford John Thatcher's contributions to image-forming processes and his innovative patents have made a significant impact in the field of electronics. His work continues to influence advancements in circuit board technology.