VERFAHREN ZUM ERHÖHEN DER UNIFORMITÄT EINER BESCHICHTUNG
摘要
<p>The invention is a method of forming extrudate having substantially uniform thickness. A shim is formed which has a thickness variation of less than or equal to about 0.5 mil (13 microns) total indicated runout. This shim is disposed between a first die portion having a first surface and a second die portion having a second surface. A slot is formed between the first surface and the second surface. The slot has a height dimension substantially the same as the shim thickness. Flowable material is extruded through the slot.</p>
申请公布号
DE60224574(D1)
申请公布日期
2008.02.21
申请号
DE2002624574
申请日期
2002.11.01
申请人
3M INNOVATIVE PROPERTIES CO.
发明人
NELSON, JAMES M.;PADIYATH, RAGHUNATH;SECOR, ROBERT B.;STEVENSON, MARK J.;TICHY, MICHAEL J.;YAPEL, ROBERT A.