Sakurai Junji, Sasaki Nobuo: Charge-pumping semiconductor memory cell comprising a charge-storage region and memory device using such a cell.. Fujitsu, June 24, 1981: EP0030856-A1 (130 worldwide citation)

A CP memory cell, of which many may be provided in a semiconductor memory device, has a charge storage region 2 in a semiconductor substrate 3. A source 6 and a drain 7 are formed in the charge storage region 2. A gate 8 is formed on a gate insulator layer on the charge storage region 2 between sour ...

Cogswell Frederic Neil, Mitchell David Thomas: A method for producing a shaped article comprising two closely-spaced substantially parallel walls enclosing a volume therebetween which is filled with foam.. Ici, June 24, 1981: EP0030936-A2 (90 worldwide citation)

Articles are blow moulded from thermoplastic polymeric materials containing high proportions of fillers such as glass fibres. The method comprises extruding the filled polymeric material through a die having a mandrel for constraining the material into a tubular shape; coextruding between the die an ...

Barrows Thomas H: Synthetic absorbable surgical devices of polyester amides and process for making them.. Minnesota Mining & Mfg, June 24, 1981: EP0030822-A2 (40 worldwide citation)

A body-adsorbable polymeric material for surgical implantation which is a condensation product of reacting a diamine with lactic or glycolic acid to form a diamidediol which is then reacted with a bischloroformate or a compound selected from the group consisting of dicarboxylic acids, methyl and eth ...


Peters John W: Low temperature process for depositing oxide layers by photochemical vapor deposition.. Hughes Aircraft Co, June 24, 1981: EP0030798-A1 (32 worldwide citation)

The specification discloses a low temperature process for depositing oxide layers on a substrate by photochemical vapor deposition, by exposing the substrate to a selected vapor phase reactant in the presence of photo-chemically generated neutral (un-ionized) oxygen atoms. The oxygen atoms react wit ...

Decorative heat transfer and method of making the same. Maitland & Sons, June 24, 1981: GB2065031-A (28 worldwide citation)

A decorative heat transfer comprises (a) a layer 2 of heat-activatable adhesive in the shape of the transfer, (b) adhering to the said heat-activatable adhesive, a layer 3 of a particulate decorative material, which is also in the shape of the transfer, and (c) overlying the said particulate decorat ...

Brodsky Marc Herbert, Green Dennis Clinton, Kucza Joseph Albert, Plecenik Richard Michael, Scott Bruce Albert: Method for depositing silicon or germanium containing films.. Ibm, June 24, 1981: EP0030638-A1 (26 worldwide citation)

The films (10) are formed on a substrate (9) by means of chemical vapor deposition where a gas atmosphere containing at least one silane or germane of a higher order is used. The gases forming the gas atmosphere are supplied to a region adjacent to the substrate (9) and an excitation energy is appli ...


Method and apparatus for detecting biological particles by induced signal. Wei Kung Wang, June 24, 1981: GB2065298-A (22 worldwide citation)

A metal-covered substrate 10 is first absorbed (covered) with a layer of known biological particles 12 such as a protein. This active substrate is then put into a solution containing an unknown amount of second biological particles whereby some of the second biological particles 13 are randomly boun ...