Echem Solutions Corp.

Advanced Echem Materials Company Limited

Tz Jin Yang

Chen Ya Kao

Ming Che Chung

A pipe connectable plastic bucket includes a bucket and at least two quick-connect devices. The bucket has a plurality of through holes for communication between the inside and the outside of the bucket. The at least two quick-connect devices respectively correspond to the plurality of through holes, and are disposed on the bucket. The at least two quick-connect devices are adapted to connect to pipes, and are used for allowing a fluid entering and exiting the bucket through the plurality of the through holes. The at least two quick-connect devices comprise a first quick-connect device for allowing the liquid to enter and to exit the bucket. The present invention also provides a method of using the pipe connectable plastic bucket.

Pipe connectable plastic bucket and method of using the same

The present invention provides a photosensitive polyimide composition comprising a polyimide resin having a structural unit represented by the formula (1) and a structural unit represented by the formula (2), a quinonediazide sulfonate, a thermal curing agent, and a thermal acid generator.  In the formulas (1) and (2), n is an integer of 10 to 600, Aris a tetravalent organic group; Aris a divalent to tetravalent organic group; Aris a divalent aromatic group; and Ris an OH group or a COOH group. The present invention also provides a photoresist film made of the above-mentioned photosensitive polyimide composition.

Growing community of inventors

Taoyuan, Taiwan

Tz Jin Yang