which may be polyethylene polypropylene or any number of other thermoplastics to form a foamed adhesive containing a large volume of gas bubbles the foamed hot melt fluid is then deposited between the magnetic field formers and various other portions of the deflection yoke to provide magnetic field former support and yoke strength eliminate deflection yoke hot spots dampen out yoke vibration modes and reduce the cost of the deflection yoke application_number US 87006786 A description referring to fig1 and 3 there are respectively shown top lateral and bottom plan views of a crt deflection yoke 10 with rigidifying means in accordance with the present invention the crt deflection yoke 10 includes first and second housing sections 12a 12b which are each in the general form of a semi circular elongated member and which when joined form a generally cylindrical housing having an inner center aperture 11 extending the length thereof the first and second housing sections 12a 12b may include a plurality of snap acting connections 15 by means of which the two housing sections may be coupled in a secure manner when thus joined along the respective lengths thereof the first and second housing sections 12a 12b form a yoke housing liner 12 typically comprised of a plastic material and including an expanded end portion 10a an expanded intermediate portion 10b and a narrow attachment end 10c the.